Question 750581
factor by grouping, if possible, and check
w^3 + 7w^2 + 4w + 28 
w^2(w+7)+4(w+7)
= (w+7)(w^2+4)
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Factor completely. If a polynomial is prime, state this
25a^2 - 23a - 2
25a^2 - 25a+2a -2
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25a(a-1)+2(a-1)
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= (a-1)(25a+2)
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Cheers,
Stan H.
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