Question

The coefficient of x² in ( 2x² -5) (4 +3 x² ) is *

i)2
ii)3
iii)8
iv)-7​

Answer 1

Answer:

-2

Step-by-step explanation:

(2x²-5)(4+3x²)=8x²+6x⁴-20-10x²=6x⁴-2x²-20