I NEED HELP!! ITS POLYNOMIALS!! (5a + 7b) – (3a + 2b) =

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I NEED HELP!! ITS POLYNOMIALS!!

(5a + 7b) – (3a + 2b) =

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Thu Thảo 6 months 2021-08-05T21:36:10+00:00 1 Answers 3 views 0

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    2021-08-05T21:37:38+00:00

    (5a+7b)-(3a+2b)

    When there is a in front of an expression in parentheses, change the sign of each term in the expression
    5a+7b-3a-2b
    collect the like terms
    5a-3a= 2a
    7b-2b= 5b

    answer: 2a+5b
    hope this helps! 🙂

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