7x^2-56=-49x

Simple and best practice solution for 7x^2-56=-49x 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 7x^2-56=-49x equation:


Simplifying
7x2 + -56 = -49x

Reorder the terms:
-56 + 7x2 = -49x

Solving
-56 + 7x2 = -49x

Solving for variable 'x'.

Reorder the terms:
-56 + 49x + 7x2 = -49x + 49x

Combine like terms: -49x + 49x = 0
-56 + 49x + 7x2 = 0

Factor out the Greatest Common Factor (GCF), '7'.
7(-8 + 7x + x2) = 0

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

Ignore the factor 7.

Subproblem 1

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

Subproblem 2

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

Solution

x = {-8, 1}

See similar equations:

| 8x-21=4x+7 | | -x^2+8x+20=0 | | 5x+3+10=7 | | -5x-8y=-8 | | 4(x-2)= | | 5x-(2x+2x)=x+(3x-5) | | 2(x-1)= | | 1+15=-4(8x-4) | | 25x-3=45x+13 | | 4(2x+6)=-38+14 | | 4x+23=2x+13 | | 10z-z=-1+3z-2-9 | | -75=6w-40 | | 5z^2=3z | | x(x+1)=3(x+16) | | x(x+1)=3(x+6) | | 5y^2-10=13y-4 | | -4+4(-3z-5)=2(-3z+5)-2 | | 4(x+5)=6x+20 | | -2+5(6z-3)=9(5z-6)-6 | | 5(4x+5)=7(x+5)-18 | | 7+5q=19+9q | | 8(4x-3)=5(x+2)-9 | | .3w-3.6=.6w-4.5 | | 8v-13=2v+11 | | 5y-16=-3y+8 | | -15v+30=-5(3v-6) | | -7w+7=-(7w-7) | | 2(3x-8)=4x-24 | | 7(a-1)=-14a | | 4y=-3x+12 | | 7u-8=9u-10 |

Equations solver categories