What is the third term of x^2 - 4x + ____ to make it a perfect square trinomial?
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What is the third term of x^2 - 4x + ____ to make it a perfect square trinomial?
What is the third term of x^2 - 4x + ____ to make it a perfect square trinomial?
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Answer:
4
Step-by-step explanation:
to make it a perfect square trinomial we use,
c = (b/2a)²
c = (-4/2(1))²
c = (-4/2)²
c = (-2)²
c = 4