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Rewrite the function by completing the square f(x)= 4 x^{2} +12 x +9

User Miotsu
by
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1 Answer

3 votes

Answer:-1.5

Explanation:

(2x+3)^2=9

Square root each side

2x=-3

/2

X=-1.5 or -3/2

User GeertPt
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8.1k points