SOLUTION: Solve the equation. {{{x^2-9x=10}}}

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Question 375419: Solve the equation.
x%5E2-9x=10
Found 2 solutions by Fombitz, ewatrrr:
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E2-9x=10
x%5E2-9x-10=0
%28x-10%29%28x%2B1%29=0
Two solutions:
x-10=0
highlight%28x=10%29
.
.
.
x%2B1=0
highlight%28x=-1%29

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,

Solve the equation.

x%5E2-9x=10

x%5E2-9x-10=+0

factoring

(x - 10)(x +1)= 0 Note: Sun of inner product(-10x and outer produc(1*x) = -9x

(x - 10)=0

x = 10

(x +1)= 0

x = -1