Question

Y=(x+4)^2+4 in standard form

Answer 1

y=x²+8x+20

Explanation:

y=(x+4)^2+4

y=(x+4)² + 4

y=(x+4)(x+4)+4

Expanding the bracket

y=(x²+4x+4x+16)+4

y=x²+8x+16+4

y=x²+8x+20