(5x)(6x-10)=90

Simple and best practice solution for (5x)(6x-10)=90 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 (5x)(6x-10)=90 equation:


Simplifying
(5x)(6x + -10) = 90

Remove parenthesis around (5x)
5x(6x + -10) = 90

Reorder the terms:
5x(-10 + 6x) = 90
(-10 * 5x + 6x * 5x) = 90
(-50x + 30x2) = 90

Solving
-50x + 30x2 = 90

Solving for variable 'x'.

Reorder the terms:
-90 + -50x + 30x2 = 90 + -90

Combine like terms: 90 + -90 = 0
-90 + -50x + 30x2 = 0

Factor out the Greatest Common Factor (GCF), '10'.
10(-9 + -5x + 3x2) = 0

Ignore the factor 10.

Subproblem 1

Set the factor '(-9 + -5x + 3x2)' equal to zero and attempt to solve: Simplifying -9 + -5x + 3x2 = 0 Solving -9 + -5x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -3 + -1.666666667x + x2 = 0 Move the constant term to the right: Add '3' to each side of the equation. -3 + -1.666666667x + 3 + x2 = 0 + 3 Reorder the terms: -3 + 3 + -1.666666667x + x2 = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1.666666667x + x2 = 0 + 3 -1.666666667x + x2 = 0 + 3 Combine like terms: 0 + 3 = 3 -1.666666667x + x2 = 3 The x term is -1.666666667x. Take half its coefficient (-0.8333333335). Square it (0.6944444447) and add it to both sides. Add '0.6944444447' to each side of the equation. -1.666666667x + 0.6944444447 + x2 = 3 + 0.6944444447 Reorder the terms: 0.6944444447 + -1.666666667x + x2 = 3 + 0.6944444447 Combine like terms: 3 + 0.6944444447 = 3.6944444447 0.6944444447 + -1.666666667x + x2 = 3.6944444447 Factor a perfect square on the left side: (x + -0.8333333335)(x + -0.8333333335) = 3.6944444447 Calculate the square root of the right side: 1.922093766 Break this problem into two subproblems by setting (x + -0.8333333335) equal to 1.922093766 and -1.922093766.

Subproblem 1

x + -0.8333333335 = 1.922093766 Simplifying x + -0.8333333335 = 1.922093766 Reorder the terms: -0.8333333335 + x = 1.922093766 Solving -0.8333333335 + x = 1.922093766 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.8333333335' to each side of the equation. -0.8333333335 + 0.8333333335 + x = 1.922093766 + 0.8333333335 Combine like terms: -0.8333333335 + 0.8333333335 = 0.0000000000 0.0000000000 + x = 1.922093766 + 0.8333333335 x = 1.922093766 + 0.8333333335 Combine like terms: 1.922093766 + 0.8333333335 = 2.7554270995 x = 2.7554270995 Simplifying x = 2.7554270995

Subproblem 2

x + -0.8333333335 = -1.922093766 Simplifying x + -0.8333333335 = -1.922093766 Reorder the terms: -0.8333333335 + x = -1.922093766 Solving -0.8333333335 + x = -1.922093766 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.8333333335' to each side of the equation. -0.8333333335 + 0.8333333335 + x = -1.922093766 + 0.8333333335 Combine like terms: -0.8333333335 + 0.8333333335 = 0.0000000000 0.0000000000 + x = -1.922093766 + 0.8333333335 x = -1.922093766 + 0.8333333335 Combine like terms: -1.922093766 + 0.8333333335 = -1.0887604325 x = -1.0887604325 Simplifying x = -1.0887604325

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.7554270995, -1.0887604325}

Solution

x = {2.7554270995, -1.0887604325}

See similar equations:

| 6x^2-12x=24 | | 2ln(x+5)=0 | | 8(x-2)+4(x+4)=7(x+5)-10 | | 5(x-4)=3x-6 | | 6x^2-144=0 | | 4v^2-135=-7v | | 8=100-2x | | 8=1002x | | y=100-2(40) | | x(8x-3)=7 | | 1-(-1.5)=-9 | | u-71=23 | | 1+m^2=0 | | 9(x-2)-x=4(x+6)-14 | | y=100-2(10) | | -4x=24+2x | | (7x-4)(x+1)=0 | | 7x+3=34 | | y=100-2(17) | | x(x+6)=1 | | 9x^2=4+8x | | 7x+4y+7z-2x=5z-5y | | 0.5(9.8)x^2=3 | | 1000(0.2)(1)(15-x)=5000 | | 10=100-2x | | 7(x-3)-3x=11 | | y=100-2(50) | | oy=o | | a=b^2c-d | | 20+p=40 | | 7+13+x=x+x+(x-5)+(x-5) | | 4k^2+7=-11k |

Equations solver categories