8x^2-40x-288=0

Simple and best practice solution for 8x^2-40x-288=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 8x^2-40x-288=0 equation:


Simplifying
8x2 + -40x + -288 = 0

Reorder the terms:
-288 + -40x + 8x2 = 0

Solving
-288 + -40x + 8x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '8'.
8(-36 + -5x + x2) = 0

Factor a trinomial.
8((-4 + -1x)(9 + -1x)) = 0

Ignore the factor 8.

Subproblem 1

Set the factor '(-4 + -1x)' equal to zero and attempt to solve: Simplifying -4 + -1x = 0 Solving -4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1x = 0 + 4 -1x = 0 + 4 Combine like terms: 0 + 4 = 4 -1x = 4 Divide each side by '-1'. x = -4 Simplifying x = -4

Subproblem 2

Set the factor '(9 + -1x)' equal to zero and attempt to solve: Simplifying 9 + -1x = 0 Solving 9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1x = 0 + -9 -1x = 0 + -9 Combine like terms: 0 + -9 = -9 -1x = -9 Divide each side by '-1'. x = 9 Simplifying x = 9

Solution

x = {-4, 9}

See similar equations:

| -4+5-6x=-8x-2(x-3) | | 3n+3w=p | | 8x^3-8x^2-48x=0 | | -14+5y=16 | | 10/a=-5 | | 0.41ln(x+1)+28=29 | | -3xy-(5xy)= | | -3xy-(5x)= | | k+47=-56 | | x^2+10x-5= | | P=0.85N | | n+-6=0 | | 2cosx-sinx+1=0 | | -3xy+5xy= | | y=36000+1400x-90x^2 | | y+25=-34 | | -1x^2-x+1=x | | 0.41ln(0+1)+28=0 | | k+-47=-21 | | 24=-6(N+1)+18 | | c-9=-2 | | 3a-26=19 | | b+14=12 | | 10p+8q= | | X+31=70 | | z^2+7z+20=20 | | 3x+2(x+7)=6x-12 | | 500=600-600e-0.4x | | n+19=-20 | | 2a+14=44 | | y-12=-30 | | 0.75x10^w/3=30 |

Equations solver categories