Question

Find The coefficient of x^2 in (3 − 3x^2)(x^2 + 5) is A-18 b-15 c- (-12) d- (-15)

Answer 1

Step-by-step explanation:

(3-3x^2)(x^2 +5)= 15 - 12x^2 - 3x^4

So option c is right.