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7 October, 04:01

22 Evaluate the expression for a = - 1 and b = 5. Show your work. 5a - 7b + b2

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  1. 7 October, 06:16
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    (5x-1) - (7x5) + (5x2)

    = - 5 - 35 + 10

    = - 5 - 45

    = - 50
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