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Mathematics
Madeleine Buchanan
23 May, 20:33
What is (7x-2y) (3x+5y)
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Aubree Burch
23 May, 21:18
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(7x - 2y) (3x + 5y) (First open brackets)
= 21x² + 35xy - 6xy - 10y² (solve like terms)
= 21 x² - 10y² + 29xy.
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