Question

What is this quadratic function in standard form? y=(x+7) (x−5) Enter your answer in the box.

Answer 1

y = x^2 +2x -35

Explanation:

Multiply the binomials. The distributive property is helpful.

y = x(x -5) +7(x -5) . . . . the terms of the first binomial multiplied by the second

= x^2 -5x +7x -35 . . . . eliminate parenthses

y = x^2 +2x -35 . . . . . . collect terms