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Earn +20 ptsQ: Is 81c squared plus 72c plus 16 a perfect square trinomial?
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Is X squared plus 6X plus 9 a perfect square trinomial?
Yes (x+3(x+3)
Is 4x squared plus 20x plus 25 a perfect square trinomial?
Yes because its discriminant is equal to zero
What is X squared minus 4x plus 4?
It's a second degree trinomial expression in x. It's a perfect square, being the square of (x-2).
Is x2 plus 32x plus 64 a perfect-square trinomial.?
The given quadratic expression can not be factored as a perfect square.
Is 25x2 70x plus 49 a perfect square trinomial?
Yes.
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