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27 October, 12:23

What value in place of the question mark makes the polynomial below a perfect square trinomial? x²+22x+?

A. 22 B. 121 C. 44 D. 11

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  1. 27 October, 12:50
    0
    B. 121

    Step-by-step explanation:

    Complete the square.

    Take half of the middle term, 22, and square it.

    So 11^2 = 121.
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