x^2-3x-56=-16

Simple and best practice solution for x^2-3x-56=-16 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^2-3x-56=-16 equation:


Simplifying
x2 + -3x + -56 = -16

Reorder the terms:
-56 + -3x + x2 = -16

Solving
-56 + -3x + x2 = -16

Solving for variable 'x'.

Reorder the terms:
-56 + 16 + -3x + x2 = -16 + 16

Combine like terms: -56 + 16 = -40
-40 + -3x + x2 = -16 + 16

Combine like terms: -16 + 16 = 0
-40 + -3x + x2 = 0

Factor a trinomial.
(-5 + -1x)(8 + -1x) = 0

Subproblem 1

Set the factor '(-5 + -1x)' equal to zero and attempt to solve: Simplifying -5 + -1x = 0 Solving -5 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -1x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1x = 0 + 5 -1x = 0 + 5 Combine like terms: 0 + 5 = 5 -1x = 5 Divide each side by '-1'. x = -5 Simplifying x = -5

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 = {-5, 8}

See similar equations:

| 64-2x=180 | | y^2-5y^2+5=0 | | 64-2x+74-3x=180 | | -9(n+1)=6+3(1+3n) | | 3x+5(3x-11)=143 | | -36=3x-24 | | 5x^3-25x^2= | | -8(8-x)=-8(8+8x) | | 4.3-1.4d=5.8d+8.3 | | B-8=-10 | | x+90+(x-75)+70=360 | | -10=5m-35 | | -8(1-9r)=-4(2-2r) | | -8x-48=X^2 | | 2x^3+8x^2=-8x | | N+21n=21 | | 3(12-8n)-4=2(-9n-11) | | N+2a=21 | | 1/2t-4(2+t)=20 | | f(x)=4x-0.25x^2 | | 18t-8=1fort | | -9(12x+8)=4(x+10) | | y=3x^2+2x+5 | | 4x^2-27x+26=-6x+6 | | y=-2x^2-3x+7 | | x^2+x+1=x+1 | | 4m=28form | | -3(8r-10)-5=4(10+-6r) | | x^2+x-1=x+3 | | f(x)=X^2+6x-1 | | (x^2/3y^-5/4)^6 | | x^2-x-4=x+4 |

Equations solver categories