x^2-13x-30=0

A. -3,-10
B. 3,10
C. -15,2
D. 15,-2

x^+7x-18=0

A. -9,2
B. -6,3
C. -3,6
D. -2,9

2 answers

are we solving ?
if so, then ...
x^2-13x-30=0
(x-15)(x+2) = 0
x = 15 or x = -2

the second factors just as easily, try it.
x^2+7x-18=0

A. -9,2
B. -6,3
C. -3,6
D. -2,9

OK SO IS THE ANSWER A???