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Mathematics 20 Online
OpenStudy (anonymous):

Multiply. (x – 4)(x + 9) is x^2 + 5x - 36 correct?

OpenStudy (anonymous):

Correct

OpenStudy (eyust707):

yep

OpenStudy (jackellyn):

x(x) +9(x) -4(x) - (9)(4) x^2 + 5x - 36

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