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Mathematics 11 Online
OpenStudy (anonymous):

are these correct? if not can you tell me why? # 1 => problem 8z(7z^3-7z^2+2) my answer is => 56z^4 - 56z^3 + 16z # 2 problem => (x + 3)^2 answer => x*2+9

OpenStudy (anonymous):

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