-28x^2-36x-8=0

Simple and best practice solution for -28x^2-36x-8=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 -28x^2-36x-8=0 equation:


Simplifying
-28x2 + -36x + -8 = 0

Reorder the terms:
-8 + -36x + -28x2 = 0

Solving
-8 + -36x + -28x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-4'.
-4(2 + 9x + 7x2) = 0

Factor a trinomial.
-4((1 + x)(2 + 7x)) = 0

Ignore the factor -4.

Subproblem 1

Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 0 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 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Subproblem 2

Set the factor '(2 + 7x)' equal to zero and attempt to solve: Simplifying 2 + 7x = 0 Solving 2 + 7x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + 7x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 7x = 0 + -2 7x = 0 + -2 Combine like terms: 0 + -2 = -2 7x = -2 Divide each side by '7'. x = -0.2857142857 Simplifying x = -0.2857142857

Solution

x = {-1, -0.2857142857}

See similar equations:

| X^2-27=4x | | 3x+5=-5x-2 | | y=0.03y | | 0.2x+3=18 | | 9x^2+6x+5=0 | | 10-y=3-6(y-2) | | 0.6x+9=36 | | 3x+5=5x+2 | | x^5-2=62 | | -40x^2+28x-4=0 | | .25x^2-1.5x-1.75=0 | | 67=0+33 | | x^2-7x+0=0 | | 17-5-m=6 | | 14+3=r+3 | | x^2-7x-60=0 | | 37=y-29 | | x^2-7x+60=0 | | x^2-4x-96=0 | | (3t+1)(-1+t)=1 | | x^2-16x+60=0 | | 0.9x+2.3x=-6.4 | | 0.7c-10=0.5 | | 15m+4-m=-32 | | y=2*0+1 | | x^2+8x+0=0 | | y=2*-1+1 | | 3(5x+2)+4(3x+5)=0 | | y=2*-2+1 | | 8y-7=-12y+2 | | x-4=-x+2 | | 16+2=9 |

Equations solver categories