What value of c makes x2 − 24x + c a perfect square trinomial? −144 −48 48 144 Unsubs

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asked Dec 4, 2017 212k views

2 Answers

Agathe · Answer 1 · 2017-12-11T14:08:16+0000

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.

What value of c makes x2 − 24x + c a perfect square trinomial? −144 −48 48 144 Unsubs

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