Question

I need to factor completely to get an answer for

r²+3r-28
I need to get factors in parenthesis like (r +/- #) (r +/- #)
I need it before tomorrow

Answer 1

(r + 7)(r - 4) = 0

Explanation:

r² + 3r - 28 = 0

(r + 7)(r - 4) = 0

r = -7, 4