factoring the common factor of -9x² + 47x + 42
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factoring the common factor of -9x² + 47x + 42
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-(x-6)(9x+7)
Step-by-step explanation:
-9x²+47x+42
=-9x²+54x-7x+42... 47x as difference
=-9x(x-6)-7(x-6) ... factor out
=-(x-6)(9x+7)