2x(2x)+10=3x+13

Simple and best practice solution for 2x(2x)+10=3x+13 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 2x(2x)+10=3x+13 equation:


Simplifying
2x(2x) + 10 = 3x + 13

Remove parenthesis around (2x)
2x * 2x + 10 = 3x + 13

Reorder the terms for easier multiplication:
2 * 2x * x + 10 = 3x + 13

Multiply 2 * 2
4x * x + 10 = 3x + 13

Multiply x * x
4x2 + 10 = 3x + 13

Reorder the terms:
10 + 4x2 = 3x + 13

Reorder the terms:
10 + 4x2 = 13 + 3x

Solving
10 + 4x2 = 13 + 3x

Solving for variable 'x'.

Reorder the terms:
10 + -13 + -3x + 4x2 = 13 + 3x + -13 + -3x

Combine like terms: 10 + -13 = -3
-3 + -3x + 4x2 = 13 + 3x + -13 + -3x

Reorder the terms:
-3 + -3x + 4x2 = 13 + -13 + 3x + -3x

Combine like terms: 13 + -13 = 0
-3 + -3x + 4x2 = 0 + 3x + -3x
-3 + -3x + 4x2 = 3x + -3x

Combine like terms: 3x + -3x = 0
-3 + -3x + 4x2 = 0

Begin completing the square.  Divide all terms by
4 the coefficient of the squared term: 

Divide each side by '4'.
-0.75 + -0.75x + x2 = 0

Move the constant term to the right:

Add '0.75' to each side of the equation.
-0.75 + -0.75x + 0.75 + x2 = 0 + 0.75

Reorder the terms:
-0.75 + 0.75 + -0.75x + x2 = 0 + 0.75

Combine like terms: -0.75 + 0.75 = 0.00
0.00 + -0.75x + x2 = 0 + 0.75
-0.75x + x2 = 0 + 0.75

Combine like terms: 0 + 0.75 = 0.75
-0.75x + x2 = 0.75

The x term is -0.75x.  Take half its coefficient (-0.375).
Square it (0.140625) and add it to both sides.

Add '0.140625' to each side of the equation.
-0.75x + 0.140625 + x2 = 0.75 + 0.140625

Reorder the terms:
0.140625 + -0.75x + x2 = 0.75 + 0.140625

Combine like terms: 0.75 + 0.140625 = 0.890625
0.140625 + -0.75x + x2 = 0.890625

Factor a perfect square on the left side:
(x + -0.375)(x + -0.375) = 0.890625

Calculate the square root of the right side: 0.943729304

Break this problem into two subproblems by setting 
(x + -0.375) equal to 0.943729304 and -0.943729304.

Subproblem 1

x + -0.375 = 0.943729304 Simplifying x + -0.375 = 0.943729304 Reorder the terms: -0.375 + x = 0.943729304 Solving -0.375 + x = 0.943729304 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.375' to each side of the equation. -0.375 + 0.375 + x = 0.943729304 + 0.375 Combine like terms: -0.375 + 0.375 = 0.000 0.000 + x = 0.943729304 + 0.375 x = 0.943729304 + 0.375 Combine like terms: 0.943729304 + 0.375 = 1.318729304 x = 1.318729304 Simplifying x = 1.318729304

Subproblem 2

x + -0.375 = -0.943729304 Simplifying x + -0.375 = -0.943729304 Reorder the terms: -0.375 + x = -0.943729304 Solving -0.375 + x = -0.943729304 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.375' to each side of the equation. -0.375 + 0.375 + x = -0.943729304 + 0.375 Combine like terms: -0.375 + 0.375 = 0.000 0.000 + x = -0.943729304 + 0.375 x = -0.943729304 + 0.375 Combine like terms: -0.943729304 + 0.375 = -0.568729304 x = -0.568729304 Simplifying x = -0.568729304

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.318729304, -0.568729304}

See similar equations:

| 37-2x=7-7x | | 6n^2+72n+192=0 | | -28=2(x-3)-5(x-1) | | m/20=7 | | 1-6x=10+3 | | -4r(-6)=-24 | | 51+13x=64-8x | | 9+9x=-31+x | | 2y+10=110 | | 8b-1=6b+3 | | 5y+4y=180 | | -3x^5-18x^4-24x^3=0 | | C=1300+2.65x | | 8x+7y=35.71 | | 5x-6=2(4x-5)-4 | | 3v^2-27v-30=0 | | -6r-5=7-12d | | 5d^2+2d-7=0 | | 38+d=3a | | 3(10+x)=52 | | x+(x+150)=500 | | 3y-5=y-1 | | 3/4b=84 | | 3(5x+7)=141 | | -15by+30b=80by-40b | | 59.45=4.5x-18.4 | | 12x-0=8x-37 | | 6(7x+6)=120 | | (27x)/(3)*(x^9)/(9x^7) | | 6(7x+6)=129 | | y=log[2]128 | | 0.12y+0.07(y+9000)=1770 |

Equations solver categories