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Algebra
Simplifying expressions
Binomial Expansion
simplify: (3x−7)2 (1 point) responses 6x2−21x−14 6 x squared minus 21 x minus 14 9x2+49 9 x squared plus 49 9x2−42x+49 9 x squared minus 42 x plus 49 9x2−42x−49
1 answer
9x^2 - 42x + 49
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