2*x*x+2*x+3=132

Simple and best practice solution for 2*x*x+2*x+3=132 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 2*x*x+2*x+3=132 equation:


Simplifying
2x * x + 2x + 3 = 132

Multiply x * x
2x2 + 2x + 3 = 132

Reorder the terms:
3 + 2x + 2x2 = 132

Solving
3 + 2x + 2x2 = 132

Solving for variable 'x'.

Reorder the terms:
3 + -132 + 2x + 2x2 = 132 + -132

Combine like terms: 3 + -132 = -129
-129 + 2x + 2x2 = 132 + -132

Combine like terms: 132 + -132 = 0
-129 + 2x + 2x2 = 0

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

Divide each side by '2'.
-64.5 + x + x2 = 0

Move the constant term to the right:

Add '64.5' to each side of the equation.
-64.5 + x + 64.5 + x2 = 0 + 64.5

Reorder the terms:
-64.5 + 64.5 + x + x2 = 0 + 64.5

Combine like terms: -64.5 + 64.5 = 0.0
0.0 + x + x2 = 0 + 64.5
x + x2 = 0 + 64.5

Combine like terms: 0 + 64.5 = 64.5
x + x2 = 64.5

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
 + 0.25 + x2 = 64.5 + 0.25

Combine like terms:  + 0.25 = 1.25
1.25 + x2 = 64.5 + 0.25

Combine like terms: 64.5 + 0.25 = 64.75
1.25 + x2 = 64.75

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 64.75

Calculate the square root of the right side: 8.04673847

Break this problem into two subproblems by setting 
(x + 0.5) equal to 8.04673847 and -8.04673847.

Subproblem 1

x + 0.5 = 8.04673847 Simplifying x + 0.5 = 8.04673847 Reorder the terms: 0.5 + x = 8.04673847 Solving 0.5 + x = 8.04673847 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 8.04673847 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 8.04673847 + -0.5 x = 8.04673847 + -0.5 Combine like terms: 8.04673847 + -0.5 = 7.54673847 x = 7.54673847 Simplifying x = 7.54673847

Subproblem 2

x + 0.5 = -8.04673847 Simplifying x + 0.5 = -8.04673847 Reorder the terms: 0.5 + x = -8.04673847 Solving 0.5 + x = -8.04673847 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -8.04673847 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -8.04673847 + -0.5 x = -8.04673847 + -0.5 Combine like terms: -8.04673847 + -0.5 = -8.54673847 x = -8.54673847 Simplifying x = -8.54673847

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.54673847, -8.54673847}

See similar equations:

| 5(m-2)=-4 | | 4.59x^2-9.76x+2.98=0 | | 4m+7=8m-5 | | 6c+6=4c | | 2*x*x+3*x+3=132 | | 5y+2x=-3 | | 1x+7y=132 | | 457x+450=3(6x+50) | | 17x^2-21x+4=0 | | 3x+4.6=x-2.8+x+6.4+x | | 4y-9=55 | | -4=-2z | | 6(2x+3)-20=3(3x-5)-x | | 5(x+7)+5=7x-2(x-6) | | 9y-10=8y-1 | | (3x+50)+(2x-20)=180 | | 3c+5=2c | | 7.8+0.93+21.7+5.66= | | -2.2+0.3x=3-0.5x-0.8x | | xv= | | .7(3x-2)-(5x+1)=.5 | | -4(-5-v)=-(-v+1) | | 1.2x+9=y | | 3+35=21x+27 | | -4p+7+5p=10 | | 2y(2x+2y)= | | 6n+40=8(-7+3n)+6n | | x^2-2x-2=y | | 2-x=3yz+18 | | .02683044=3h-h^2 | | 257-n=144 | | 3x+1=6x-59 |

Equations solver categories