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OpenStudy (anonymous):
add 4x2 - 7x + 5 and 2x2 + 5x -7
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OpenStudy (anonymous):
@meemeemee
OpenStudy (mathstudent55):
(4x^2 - 7x + 5) + (2x^2 + 5x - 7) First step: drop all parentheses 4x^2 - 7x + 5 + 2x^2 + 5x - 7 Now collect like terms. Like terms are terms that have the same variable part. 4x^2 + 2x^2 - 7x + 5x + 5 - 7 6x^2 - 2x - 2
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