(-9x+1)(x+8)=

Simple and best practice solution for (-9x+1)(x+8)= 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 (-9x+1)(x+8)= equation:


Simplifying
(-9x + 1)(x + 8) = 0

Reorder the terms:
(1 + -9x)(x + 8) = 0

Reorder the terms:
(1 + -9x)(8 + x) = 0

Multiply (1 + -9x) * (8 + x)
(1(8 + x) + -9x * (8 + x)) = 0
((8 * 1 + x * 1) + -9x * (8 + x)) = 0
((8 + 1x) + -9x * (8 + x)) = 0
(8 + 1x + (8 * -9x + x * -9x)) = 0
(8 + 1x + (-72x + -9x2)) = 0

Combine like terms: 1x + -72x = -71x
(8 + -71x + -9x2) = 0

Solving
8 + -71x + -9x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(1 + -9x)(8 + x) = 0

Subproblem 1

Set the factor '(1 + -9x)' equal to zero and attempt to solve: Simplifying 1 + -9x = 0 Solving 1 + -9x = 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 + -9x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -9x = 0 + -1 -9x = 0 + -1 Combine like terms: 0 + -1 = -1 -9x = -1 Divide each side by '-9'. x = 0.1111111111 Simplifying x = 0.1111111111

Subproblem 2

Set the factor '(8 + x)' equal to zero and attempt to solve: Simplifying 8 + x = 0 Solving 8 + x = 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 + x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + x = 0 + -8 x = 0 + -8 Combine like terms: 0 + -8 = -8 x = -8 Simplifying x = -8

Solution

x = {0.1111111111, -8}

See similar equations:

| 1/14z=8/3 | | 945/1788 | | (-9x+1)(x-8)= | | 134=d-27 | | 7x+16=8x+4 | | 1-19/x^2=0 | | -7p+8+8p=11 | | 15x^2+66x-45=0 | | 3325=9500*.07 | | 4t^2-19t-104= | | 80000=25x-300000 | | 2m=9m-28 | | 11a-24=6a+1 | | 49p^3q-25pq^3= | | n-10=.83-7-.33n | | 5d=40+-5d | | 1e-2e=1-9 | | 48=16-4x | | 2x=7y+5 | | 25x-300000=250000 | | 4-(2x-3)=17 | | 6-3.6=x*x | | 4(3+10)=12x-7 | | x+7+x+9+x^2-2x+3x-3=53 | | 7x-18=49 | | 6(2+2p)=7+7p | | 2f^2+9f+9=0 | | 7x+18y=42 | | 6.7(b+5)+3.5=4b-4.6 | | -15=-4p+15 | | -(x-6)=-x+12 | | 2u^2+13u+11=0 |

Equations solver categories