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OpenStudy (anonymous):
Help please im not sure im understanding this (x-4)(x+3) I have to simplify it
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OpenStudy (anonymous):
Split the expression into four parts (FOIL) 1) x * x = x ^2 2) -4 * x = -4x 3) 3 * x = 3x 4) -4 * 3 = -12 Then add everything together: \[x ^{2} - 4x + 3x - 12\] \[x ^{2} - x - 12\]
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