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OpenStudy (anonymous):
(1 - 7x)(1 + 9x)
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OpenStudy (igreen):
(1 - 7x)(1 + 9x) Distribute: 1 + 9x - 7x - 63x^2 Re-order: 63x^2 - 7x - 9x + 1 Simplify: 63x^2 - 16x + 1
OpenStudy (igreen):
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OpenStudy (anonymous):
(1 - 7x)(1 + 9x)
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