x^2-x=7x-16

Simple and best practice solution for x^2-x=7x-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-x=7x-16 equation:


Simplifying
x2 + -1x = 7x + -16

Reorder the terms:
-1x + x2 = 7x + -16

Reorder the terms:
-1x + x2 = -16 + 7x

Solving
-1x + x2 = -16 + 7x

Solving for variable 'x'.

Reorder the terms:
16 + -1x + -7x + x2 = -16 + 7x + 16 + -7x

Combine like terms: -1x + -7x = -8x
16 + -8x + x2 = -16 + 7x + 16 + -7x

Reorder the terms:
16 + -8x + x2 = -16 + 16 + 7x + -7x

Combine like terms: -16 + 16 = 0
16 + -8x + x2 = 0 + 7x + -7x
16 + -8x + x2 = 7x + -7x

Combine like terms: 7x + -7x = 0
16 + -8x + x2 = 0

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

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 '(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

Solution

x = {4, 4}

See similar equations:

| -3(1+7k)=-150 | | y^2+10x-20y+100=0 | | (x-6)(x-6)=-49 | | 3e^4x-10=20 | | 86=7(7p+6)-5 | | t^2+15t=-11 | | (4x-3)(3x+1)=(3x-4)(2x+2) | | 8(-7p-1)=-456 | | -x+7y=39 | | 5x+8=-87 | | -2x=144 | | X^2+y^2-10x+2y+1=0 | | x+(2x-6)=180 | | 4(2x+6)=-8 | | 28+9x=55 | | 6(2)+3(2)=18 | | 49-64w^2= | | 7y^2=29y | | 2ln(x-4)=ln(8x) | | 1987-1914= | | (Lnx)-3lnx-4=0 | | x^2+8x=16+2x | | 0x-8= | | 7(1)+3=4 | | 6x+6z=4+5y | | 3=-15z | | 7=1+3z | | 41+n=42(n) | | 6=15-n | | (21x-7)=8 | | 2e^4x-7=15 | | 6x+6z=6+7y |

Equations solver categories