Question

the coefficient of x² in (2x²-5) (4+3x²) is a) 2 b)3 c)8 d)‐7​

Answer 1

Answer:

D)-7.

Step-by-step explanation:

Given,

(2x²-5) (4+3x²)=8x²-20+6x^4-15x²

=6x^4-7x²-20

The coefficient of x² in the above expression is -7.

Hope this helps you..