Question

How do you simplify `y= 4( x + 1) ^ { 2} - 3`?

Answer 1

`4x^2+8x+1`

Explanation:

Expand the square first following PEMDAS :

`(x+1)^2 = x^2+2x+1`

Multiply the 4 out to the parentheses:
`4(x^2+2x+1)= 4x^2+8x+4`

Add like terms:
`4x^2+8x+4-3= 4x^2+8x+1`