For all numbers a and b, the operationis defined by ab = (a + 2)(b – 3).
If 3x = –75, then x = Choose the correct choice from the following:
A) –15
B) –13
C) -14
D) -12
E) 15
(3+2)(x-3)=-75..   x-3=-15..   x=-12   -12
<result>D</result>
For all numbers a and b, the operationis defined by ab = (a + 2)(b – 3).
If 3x = –75, then x =