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Q: What value in place of the question mark makes the polynomial below a perfect square trinomial 9x2 plus questionmark x plus 49?

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144

What value, in place of the question mark, makes the polynomial below a perfect square trinomial?x2 + 12x+ ?

64

16 does that.

64

-12

TrUE

(b/2)^2= 64

-26

True

A trinomial is perfect square if it can be factored into the form

There are infinitely many possible answers: c = Â±4x + 33

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