=x^2-9x-70

Simple and best practice solution for =x^2-9x-70 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^2-9x-70 equation:


Simplifying
0 = x2 + -9x + -70

Reorder the terms:
0 = -70 + -9x + x2

Solving
0 = -70 + -9x + x2

Solving for variable 'x'.

Combine like terms: 0 + 70 = 70
70 + 9x + -1x2 = -70 + -9x + x2 + 70 + 9x + -1x2

Reorder the terms:
70 + 9x + -1x2 = -70 + 70 + -9x + 9x + x2 + -1x2

Combine like terms: -70 + 70 = 0
70 + 9x + -1x2 = 0 + -9x + 9x + x2 + -1x2
70 + 9x + -1x2 = -9x + 9x + x2 + -1x2

Combine like terms: -9x + 9x = 0
70 + 9x + -1x2 = 0 + x2 + -1x2
70 + 9x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
70 + 9x + -1x2 = 0

Factor a trinomial.
(14 + -1x)(5 + x) = 0

Subproblem 1

Set the factor '(14 + -1x)' equal to zero and attempt to solve: Simplifying 14 + -1x = 0 Solving 14 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-14' to each side of the equation. 14 + -14 + -1x = 0 + -14 Combine like terms: 14 + -14 = 0 0 + -1x = 0 + -14 -1x = 0 + -14 Combine like terms: 0 + -14 = -14 -1x = -14 Divide each side by '-1'. x = 14 Simplifying x = 14

Subproblem 2

Set the factor '(5 + x)' equal to zero and attempt to solve: Simplifying 5 + x = 0 Solving 5 + x = 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 + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x = 0 + -5 x = 0 + -5 Combine like terms: 0 + -5 = -5 x = -5 Simplifying x = -5

Solution

x = {14, -5}

See similar equations:

| 6x^2+7x+11=0 | | -13y+5y=13 | | 9x-4(4)=-22 | | 2+y/4=3y/8-4 | | 5x^2(3x-2)= | | 9(-3.5+1.5y)-4y=-22 | | x/2-5=18 | | 5(a-7)+17=2(a-6) | | 5-3w=32 | | (N-6)*8=56 | | 9-x+2=3-5x+2x | | (3x-2)(4x-1)= | | w^4-4096=0 | | 5(2)-4(-12.9)= | | 2y+(-8x)=0 | | 0.66x+6=0.5x+0.25x | | -x-5y=-13 | | .6x+6=.5x+.25x | | -2c-8=-5c+4 | | 8x+3(-12.9)=-23 | | a-9=-20 | | 8-2x^2=x^2+4-7 | | 8(3+.08y)+3y=-23 | | 5/4-7/3c | | N^7=7 | | -3x+10y=1 | | 2c-8=-5c+4 | | 1/8x+3y=3 | | 5(3)-4(0)= | | x/2+5=18 | | 2x-(x+1)=-2 | | -3.7(x-5.3)-5.3(7x-2.4)=-53.35 |

Equations solver categories