SOLUTION: I think there's factoring in this one: {{{x^2+3x=28}}}. Help please?

SOLUTION: I think there's factoring in this one: {{{x^2+3x=28}}}. Help please?

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Question 8444: I think there's factoring in this one: . Help please?
Answer by bonster(299) (Show Source): You can put this solution on YOUR website!

(x-4)(x+7)=0

if x-4=0
x=4

if x+7=0
x=-7
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