-2x^2+32x+120=0

Simple and best practice solution for -2x^2+32x+120=0 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^2+32x+120=0 equation:


Simplifying
-2x2 + 32x + 120 = 0

Reorder the terms:
120 + 32x + -2x2 = 0

Solving
120 + 32x + -2x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(60 + 16x + -1x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(60 + 16x + -1x2)' equal to zero and attempt to solve: Simplifying 60 + 16x + -1x2 = 0 Solving 60 + 16x + -1x2 = 0 Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. -60 + -16x + x2 = 0 Move the constant term to the right: Add '60' to each side of the equation. -60 + -16x + 60 + x2 = 0 + 60 Reorder the terms: -60 + 60 + -16x + x2 = 0 + 60 Combine like terms: -60 + 60 = 0 0 + -16x + x2 = 0 + 60 -16x + x2 = 0 + 60 Combine like terms: 0 + 60 = 60 -16x + x2 = 60 The x term is -16x. Take half its coefficient (-8). Square it (64) and add it to both sides. Add '64' to each side of the equation. -16x + 64 + x2 = 60 + 64 Reorder the terms: 64 + -16x + x2 = 60 + 64 Combine like terms: 60 + 64 = 124 64 + -16x + x2 = 124 Factor a perfect square on the left side: (x + -8)(x + -8) = 124 Calculate the square root of the right side: 11.135528726 Break this problem into two subproblems by setting (x + -8) equal to 11.135528726 and -11.135528726.

Subproblem 1

x + -8 = 11.135528726 Simplifying x + -8 = 11.135528726 Reorder the terms: -8 + x = 11.135528726 Solving -8 + x = 11.135528726 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + x = 11.135528726 + 8 Combine like terms: -8 + 8 = 0 0 + x = 11.135528726 + 8 x = 11.135528726 + 8 Combine like terms: 11.135528726 + 8 = 19.135528726 x = 19.135528726 Simplifying x = 19.135528726

Subproblem 2

x + -8 = -11.135528726 Simplifying x + -8 = -11.135528726 Reorder the terms: -8 + x = -11.135528726 Solving -8 + x = -11.135528726 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + x = -11.135528726 + 8 Combine like terms: -8 + 8 = 0 0 + x = -11.135528726 + 8 x = -11.135528726 + 8 Combine like terms: -11.135528726 + 8 = -3.135528726 x = -3.135528726 Simplifying x = -3.135528726

Solution

The solution to the problem is based on the solutions from the subproblems. x = {19.135528726, -3.135528726}

Solution

x = {19.135528726, -3.135528726}

See similar equations:

| 4x+10+108+3x+67=360 | | -c*3-5=-17 | | 10x+7=217 | | 2y+2y(y-2)=6y-4(y-10) | | -4.0x^2+20x+65=89 | | (x)+(x+4)=96 | | 7x+4z=3+2y | | 3(4x+28)=12x+84 | | 7y-37+2y+93=360 | | -4.0x^2+20x+65=85 | | 2r^2-5t-12=0 | | -4.0x^2+20x+65= | | 4xy+40xy=1100 | | -36-9=y | | 5x+20y+15=0 | | y^2+20y+352=0 | | X^2-13x+65=0 | | 17=-28+x | | w^2-10w+37=0 | | -3(2x+5)=-4(x-1) | | 2x-16y=64 | | 9-14x-5-7x=7 | | -9(x+3)=-10x | | X^2+2=143 | | 49p^2-4=32 | | 3(x+2)=-9-3(2x+1) | | 2x^2+x+7=4x+5 | | (4-x)(4+x)-x=2(4x+3) | | 5(w+8)-(-3w-7)=7w | | -71/3=p-4/9 | | 8(-5n+7)-7= | | 4x-7=-30 |

Equations solver categories