Complete the square and find the roots (where y=0) of: "x^2+4x-5"

completing the square: (x+2)^2-9 finding the roots: (x+2)^2=9 x+2=+/-3 at y= 0, x= -5 or 1

Answered by Liam Q. Maths tutor

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Solve 3x^2 = 8x - 2 giving your answers to 2 d.p.


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