Divide all terms by 4:-
x2+7x+12 = (x+3)(x+4) when factored
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Depends on the sign of the term in x. (4x - 12)(x - 4) or (4x + 12)(x + 4)
81.
false, in order to be one 8 would have to be a square number which it is not. So the constant term in the trinomial would need to be 4, 9, 16 etc.
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4x2 – 3 + x3 Apex Learning ;D