18-01-2020
Mathematics

contestada

Complete the square for 5x^2+10x-16.

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annasharp annasharp

18-01-2020

Answer = 5(x+1)^2 -21

5 {x^2 + 2x } - 16

5 {(x+1)^2 -1 } - 16
5(x+1)^2 -5 - 16

5(x+1)^2 -21

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