Question

Simplify the product. (x - 4)(x 3)

a. x2 - 7x - 12
b. x2 x - 12
c. x2 - x - 12
d. x2 - 12x - 1

Answer 1

Hello,

Answer C
Sum of roots= 4+(-3)=1
Prod of roots=4*(-3)=-12

==>x²-x-12