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Rewrite the function by completing the square. g(x) = x^2 + 15x +54

g(x) = _ ( x + _ )^2 + _

1 Answer

3 votes
15 / 2 = 7.5
7.5^2 = 56.25
g(x) = x^2 + 15x + (7.5)^2 - 2.25
g(x) = (x + 7.5)^2 + -2.25
User Riaz
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