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OpenStudy (anonymous):
simplify (5x2 + 3x + 4) − (2x2 − 6x + 3)
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OpenStudy (anonymous):
first remove the second parentheses but remember to change the signs of last two terms inside
OpenStudy (anonymous):
think of it as -1(2x^2 - 6x + 3) - distribute the -1 over 3 terms in the parentheses
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