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Answer to Question #43979 in Trigonometry for raphael

Question #43979
how do i write y=2x^2+4x-3 in the form of y=a(x-h)^2+k
Expert's answer
y=2x2+4x-3=2(x2+2x)-3=2(x2+2x+1-1)-3=2(x2+2x+1)-2-3=2(x+1)2-5

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