(x^2-x-56)=0

Simple and best practice solution for (x^2-x-56)=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 (x^2-x-56)=0 equation:


Simplifying
(x2 + -1x + -56) = 0

Reorder the terms:
(-56 + -1x + x2) = 0

Remove parenthesis around (-56 + -1x + x2)
-56 + -1x + x2 = 0

Solving
-56 + -1x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-7 + -1x)(8 + -1x) = 0

Subproblem 1

Set the factor '(-7 + -1x)' equal to zero and attempt to solve: Simplifying -7 + -1x = 0 Solving -7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -1x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -1x = 0 + 7 -1x = 0 + 7 Combine like terms: 0 + 7 = 7 -1x = 7 Divide each side by '-1'. x = -7 Simplifying x = -7

Subproblem 2

Set the factor '(8 + -1x)' equal to zero and attempt to solve: Simplifying 8 + -1x = 0 Solving 8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1x = 0 + -8 -1x = 0 + -8 Combine like terms: 0 + -8 = -8 -1x = -8 Divide each side by '-1'. x = 8 Simplifying x = 8

Solution

x = {-7, 8}

See similar equations:

| 2x^2+11x-156=0 | | ln(7x+5)=1 | | Y-x^2=0 | | 6n?6=8n+2 | | sqrt(5x+65)=2x+21 | | -9x-3y=3 | | (k-3)x^2+2kx-5x=3-k | | 3/4x-8=19 | | 5(x-2)+x=6(x+3)-48 | | 7(2x-1)=5(3x-2) | | x+15=6(10+x) | | y+1=31 | | 16(3x-4)=3(12x+3) | | 12t^2-19t-21=0 | | 23=3(x+2) | | 5/6=x-7/4 | | (1/4y^3)^5 | | 6+12s-1=9s+35-7s | | y+1=37 | | 3a+2b-6-2a-b+4= | | (3x/3x+6)^2 | | x+15=(10+x) | | -3p+w=2p | | 3(1-4)=11 | | -6x+9y=-18 | | x+11=4x-6 | | 10(2x-4)+5=2x-8 | | 1/2y-3/4=-2/3 | | 2x=60+7x | | 4(x-2)+3(2x-1)=6(2+x) | | 4e-5=33 | | 0.773(3.2n+0.6)=1.49964+4.2n |

Equations solver categories