(x+2)(x+2)=140

Simple and best practice solution for (x+2)(x+2)=140 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 (x+2)(x+2)=140 equation:


Simplifying
(x + 2)(x + 2) = 140

Reorder the terms:
(2 + x)(x + 2) = 140

Reorder the terms:
(2 + x)(2 + x) = 140

Multiply (2 + x) * (2 + x)
(2(2 + x) + x(2 + x)) = 140
((2 * 2 + x * 2) + x(2 + x)) = 140
((4 + 2x) + x(2 + x)) = 140
(4 + 2x + (2 * x + x * x)) = 140
(4 + 2x + (2x + x2)) = 140

Combine like terms: 2x + 2x = 4x
(4 + 4x + x2) = 140

Solving
4 + 4x + x2 = 140

Solving for variable 'x'.

Reorder the terms:
4 + -140 + 4x + x2 = 140 + -140

Combine like terms: 4 + -140 = -136
-136 + 4x + x2 = 140 + -140

Combine like terms: 140 + -140 = 0
-136 + 4x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '136' to each side of the equation.
-136 + 4x + 136 + x2 = 0 + 136

Reorder the terms:
-136 + 136 + 4x + x2 = 0 + 136

Combine like terms: -136 + 136 = 0
0 + 4x + x2 = 0 + 136
4x + x2 = 0 + 136

Combine like terms: 0 + 136 = 136
4x + x2 = 136

The x term is 4x.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4x + 4 + x2 = 136 + 4

Reorder the terms:
4 + 4x + x2 = 136 + 4

Combine like terms: 136 + 4 = 140
4 + 4x + x2 = 140

Factor a perfect square on the left side:
(x + 2)(x + 2) = 140

Calculate the square root of the right side: 11.832159566

Break this problem into two subproblems by setting 
(x + 2) equal to 11.832159566 and -11.832159566.

Subproblem 1

x + 2 = 11.832159566 Simplifying x + 2 = 11.832159566 Reorder the terms: 2 + x = 11.832159566 Solving 2 + x = 11.832159566 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 11.832159566 + -2 Combine like terms: 2 + -2 = 0 0 + x = 11.832159566 + -2 x = 11.832159566 + -2 Combine like terms: 11.832159566 + -2 = 9.832159566 x = 9.832159566 Simplifying x = 9.832159566

Subproblem 2

x + 2 = -11.832159566 Simplifying x + 2 = -11.832159566 Reorder the terms: 2 + x = -11.832159566 Solving 2 + x = -11.832159566 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = -11.832159566 + -2 Combine like terms: 2 + -2 = 0 0 + x = -11.832159566 + -2 x = -11.832159566 + -2 Combine like terms: -11.832159566 + -2 = -13.832159566 x = -13.832159566 Simplifying x = -13.832159566

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.832159566, -13.832159566}

See similar equations:

| 598=5.99(1/x)-.5 | | Sin(x)+cos(x)*dx=0 | | 0.02m=3.44 | | -9=x+2y | | (x^2)+99=x | | Y+8=-12(x-14) | | 140=7/15x | | F(x)=-x*2+8x-20 | | 3*x+76=4*x | | 5-4.34= | | 25=×/6 | | 3*x=4*x-76 | | 6(y+2)=117-y | | Y+3=-3(2x+6) | | -38+-4d=-34 | | 4(x+2)-3(x-9)=25 | | Y+y+2y=180 | | 106-1/2x | | 3x-25=11x+-5+2x | | -6x+1=-80 | | 1.75x+2.25y=930 | | 13+4z=-7 | | x^2+(x^2+1)=481 | | 20x-16=4x+32 | | 8.10-6.7=11.3 | | 3-3n=-8(n+4) | | d=3(12)+5.25 | | W/10=9 | | 2x^2+42=12-17x | | d=3(9)+5.25 | | (9X-2)(6X+2)= | | 37=2w+9 |

Equations solver categories