What is the standard form of y= (-x+2)^2 + 5x+3 ?
1 Answer
Jan 23, 2016
x^2 + x + 7
Explanation:
Expand using FOIL method :
(- x + 2 )^2 = x^2 - 2x - 2x + 4 = x^2 - 4x + 4 y now becomes : y =
x^2 - 4x + 4 + 5x + 3 Collect 'like terms' to obtain
y = x^2 + x + 7
