# 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=2x

^{2}+4x-3=2(x^{2}+2x)-3=2(x^{2}+2x+1-1)-3=2(x^{2}+2x+1)-2-3=2(x+1)^{2}-5Need a fast expert's response?

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