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Mathematics 14 Online
OpenStudy (anonymous):

Polynomials help. Subtract and simplify: (3x2 + 7) – (x2 – 6x + 4)

OpenStudy (ivettef365):

first take out of parenthesis so you have 3x^2 + 7 - x^2 + 6x - 4 (now combine like terms)

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