132=(x+7)2+x^2

Simple and best practice solution for 132=(x+7)2+x^2 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 132=(x+7)2+x^2 equation:


Simplifying
132 = (x + 7) * 2 + x2

Reorder the terms:
132 = (7 + x) * 2 + x2

Reorder the terms for easier multiplication:
132 = 2(7 + x) + x2
132 = (7 * 2 + x * 2) + x2
132 = (14 + 2x) + x2

Solving
132 = 14 + 2x + x2

Solving for variable 'x'.

Combine like terms: 132 + -14 = 118
118 + -2x + -1x2 = 14 + 2x + x2 + -14 + -2x + -1x2

Reorder the terms:
118 + -2x + -1x2 = 14 + -14 + 2x + -2x + x2 + -1x2

Combine like terms: 14 + -14 = 0
118 + -2x + -1x2 = 0 + 2x + -2x + x2 + -1x2
118 + -2x + -1x2 = 2x + -2x + x2 + -1x2

Combine like terms: 2x + -2x = 0
118 + -2x + -1x2 = 0 + x2 + -1x2
118 + -2x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
118 + -2x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-118 + 2x + x2 = 0

Move the constant term to the right:

Add '118' to each side of the equation.
-118 + 2x + 118 + x2 = 0 + 118

Reorder the terms:
-118 + 118 + 2x + x2 = 0 + 118

Combine like terms: -118 + 118 = 0
0 + 2x + x2 = 0 + 118
2x + x2 = 0 + 118

Combine like terms: 0 + 118 = 118
2x + x2 = 118

The x term is 2x.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2x + 1 + x2 = 118 + 1

Reorder the terms:
1 + 2x + x2 = 118 + 1

Combine like terms: 118 + 1 = 119
1 + 2x + x2 = 119

Factor a perfect square on the left side:
(x + 1)(x + 1) = 119

Calculate the square root of the right side: 10.908712115

Break this problem into two subproblems by setting 
(x + 1) equal to 10.908712115 and -10.908712115.

Subproblem 1

x + 1 = 10.908712115 Simplifying x + 1 = 10.908712115 Reorder the terms: 1 + x = 10.908712115 Solving 1 + x = 10.908712115 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 10.908712115 + -1 Combine like terms: 1 + -1 = 0 0 + x = 10.908712115 + -1 x = 10.908712115 + -1 Combine like terms: 10.908712115 + -1 = 9.908712115 x = 9.908712115 Simplifying x = 9.908712115

Subproblem 2

x + 1 = -10.908712115 Simplifying x + 1 = -10.908712115 Reorder the terms: 1 + x = -10.908712115 Solving 1 + x = -10.908712115 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = -10.908712115 + -1 Combine like terms: 1 + -1 = 0 0 + x = -10.908712115 + -1 x = -10.908712115 + -1 Combine like terms: -10.908712115 + -1 = -11.908712115 x = -11.908712115 Simplifying x = -11.908712115

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.908712115, -11.908712115}

See similar equations:

| -8n+5=-7n-12 | | -64sin(8x)=0 | | -4(r+2)=(2-4r) | | 10x=8+4x | | 0.16(y-8)+0.08y=0.18y-1.4 | | (5t-2)(2t-3)=0 | | 0.05x+0.04(8000-x)=374 | | (15y+13)+(20y+7)=90 | | Y=x-24 | | 2x^2-6x+45=0 | | 0.04x+0.05(8000-x)=374 | | t=150+5m | | 5x^4+24x^2+1=0 | | 5x^4-24x^2+1=0 | | x+x+5=87 | | -5=-0.2k | | x+x+300=2500 | | x+x+300=25000 | | 28x+24=-42-10 | | 5x^2+340x-1020=0 | | o=2a^2 | | 6x^4-2x^2=2x^2 | | 6+5x=1.5(12+10x) | | 6x=8x+8x | | u/5-16=20 | | x^2-68x-204=0 | | 8a+6b-350=0 | | 8.4/x=4 | | 4w+8=84 | | 1.5(10x-9)=5x+8 | | x^2=361x | | 1/2(10x-9)=5x |

Equations solver categories