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4 October, 20:03

If y = x2 + 2x, find the value of y when x = 5

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  1. 4 October, 21:09
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    Step-by-step explanation:

    Okay so you are gonna substitute x for 5 so the equations will look like y = (5) 2 + (5) 2

    So 10+10 = 20

    So y=20
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