(4-9x)(3x+2)=5

Simple and best practice solution for (4-9x)(3x+2)=5 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for (4-9x)(3x+2)=5 equation:


Simplifying
(4 + -9x)(3x + 2) = 5

Reorder the terms:
(4 + -9x)(2 + 3x) = 5

Multiply (4 + -9x) * (2 + 3x)
(4(2 + 3x) + -9x * (2 + 3x)) = 5
((2 * 4 + 3x * 4) + -9x * (2 + 3x)) = 5
((8 + 12x) + -9x * (2 + 3x)) = 5
(8 + 12x + (2 * -9x + 3x * -9x)) = 5
(8 + 12x + (-18x + -27x2)) = 5

Combine like terms: 12x + -18x = -6x
(8 + -6x + -27x2) = 5

Solving
8 + -6x + -27x2 = 5

Solving for variable 'x'.

Reorder the terms:
8 + -5 + -6x + -27x2 = 5 + -5

Combine like terms: 8 + -5 = 3
3 + -6x + -27x2 = 5 + -5

Combine like terms: 5 + -5 = 0
3 + -6x + -27x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(1 + -2x + -9x2) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(1 + -2x + -9x2)' equal to zero and attempt to solve: Simplifying 1 + -2x + -9x2 = 0 Solving 1 + -2x + -9x2 = 0 Begin completing the square. Divide all terms by -9 the coefficient of the squared term: Divide each side by '-9'. -0.1111111111 + 0.2222222222x + x2 = 0 Move the constant term to the right: Add '0.1111111111' to each side of the equation. -0.1111111111 + 0.2222222222x + 0.1111111111 + x2 = 0 + 0.1111111111 Reorder the terms: -0.1111111111 + 0.1111111111 + 0.2222222222x + x2 = 0 + 0.1111111111 Combine like terms: -0.1111111111 + 0.1111111111 = 0.0000000000 0.0000000000 + 0.2222222222x + x2 = 0 + 0.1111111111 0.2222222222x + x2 = 0 + 0.1111111111 Combine like terms: 0 + 0.1111111111 = 0.1111111111 0.2222222222x + x2 = 0.1111111111 The x term is 0.2222222222x. Take half its coefficient (0.1111111111). Square it (0.01234567901) and add it to both sides. Add '0.01234567901' to each side of the equation. 0.2222222222x + 0.01234567901 + x2 = 0.1111111111 + 0.01234567901 Reorder the terms: 0.01234567901 + 0.2222222222x + x2 = 0.1111111111 + 0.01234567901 Combine like terms: 0.1111111111 + 0.01234567901 = 0.12345679011 0.01234567901 + 0.2222222222x + x2 = 0.12345679011 Factor a perfect square on the left side: (x + 0.1111111111)(x + 0.1111111111) = 0.12345679011 Calculate the square root of the right side: 0.351364184 Break this problem into two subproblems by setting (x + 0.1111111111) equal to 0.351364184 and -0.351364184.

Subproblem 1

x + 0.1111111111 = 0.351364184 Simplifying x + 0.1111111111 = 0.351364184 Reorder the terms: 0.1111111111 + x = 0.351364184 Solving 0.1111111111 + x = 0.351364184 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.1111111111' to each side of the equation. 0.1111111111 + -0.1111111111 + x = 0.351364184 + -0.1111111111 Combine like terms: 0.1111111111 + -0.1111111111 = 0.0000000000 0.0000000000 + x = 0.351364184 + -0.1111111111 x = 0.351364184 + -0.1111111111 Combine like terms: 0.351364184 + -0.1111111111 = 0.2402530729 x = 0.2402530729 Simplifying x = 0.2402530729

Subproblem 2

x + 0.1111111111 = -0.351364184 Simplifying x + 0.1111111111 = -0.351364184 Reorder the terms: 0.1111111111 + x = -0.351364184 Solving 0.1111111111 + x = -0.351364184 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.1111111111' to each side of the equation. 0.1111111111 + -0.1111111111 + x = -0.351364184 + -0.1111111111 Combine like terms: 0.1111111111 + -0.1111111111 = 0.0000000000 0.0000000000 + x = -0.351364184 + -0.1111111111 x = -0.351364184 + -0.1111111111 Combine like terms: -0.351364184 + -0.1111111111 = -0.4624752951 x = -0.4624752951 Simplifying x = -0.4624752951

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.2402530729, -0.4624752951}

Solution

x = {0.2402530729, -0.4624752951}

See similar equations:

| 30=-2x | | 7x+63=3x+31 | | 1/9x=9/2 | | (3x)(2xy)(-xy^2)= | | -3x+51=x+19 | | x+x+18=28 | | (8x-9)(2+4)=100 | | 2(k+6)-4K-3=1 | | -3(4x-2)+7=61 | | 3ab^3/20c^2d | | 4x+3=7x+5 | | x/5-36=30 | | 4-2x=3x-6 | | -4(3x-7)=-32 | | 5m=-7m(m+3)+20 | | x/5-36030 | | 5n+12-13n=52 | | a=1/2b-6 | | 6/[(10-5)x8-37]= | | 0=2.8x+1.8y | | 2xy=2x^2y | | 28=7n-14 | | 432/168 | | 1/4w-7/2=-5w-4/3 | | 2(9-8x)=8 | | y-4.87=7.42 | | 5xy+2y^2=0 | | 4900=(48+x)x | | 2(3x+4)-3x=30 | | m-m-m-4+m-5= | | 2x(3+37)4(9-2)=1 | | 0=x^4-8x^3+16x^2-25 |

Equations solver categories