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Mathematics 8 Online
OpenStudy (anonymous):

If (x + 1)(x - 3) = 12, then which of the following statements is true? x + 1 = 0 or x - 3 = 0 x + 1 = 12 or x - 3 = 12 x - 5 = 0 or x + 3 = 0

OpenStudy (agreene):

the second one

OpenStudy (anonymous):

I agree the second one is the correct answer because you when you are multiplying you create two equations ( x+1) = 12 and (x+3) = 12 and then solve for x . you should get two answers

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