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19 July, 23:04

What value of c makes x2 - 24x + c a perfect square trinomial?

-144

-48

48

144

Unsubs

+5
Answers (1)
  1. 19 July, 23:56
    0
    X² - 24x + c

    perfect square trinomial: a² + 2ab + c²

    a² = x² ⇒ x * x

    2ab = - 24x ⇒ 2 (-12) x

    c² = (-12) ² = 144

    x² - 24x + 144

    The value of c to create a perfect square trinomial is 144.
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