We can factor by grouping:
4x3+2x2-2x-1 = (4x3+2x2)-(2x+1)
= 2x2(2x+1) - 1(2x+1) = (2x2-1)(2x+1)
Margret S.
asked • 01/27/164x^3+2x^2–2x–1
answer 4x^3+2x^2–2x–1
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Michael J.
01/29/16