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26 March, 12:30

Find the values for "a" and "b" that would make the equality true. 7 (ay^2+by-3) = 14y^2-7y-21

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  1. 26 March, 13:02
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    a = 2 and b = - 1

    Step-by-step explanation:

    distribute the left side of the equation and compare the like terms with terms on the right side

    7ay² + 7by - 21

    compare the coefficients of like terms with 14y² - 7y - 21

    7a = 14 ⇒ a = 2

    7b = - 7 ⇒ b = - 1
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