Question

the coefficient of x² in (3x²-5) ( 4+x²) ​

Answer 1

Answer:

3 and 1

hope it's helpful....

Answer 2

Answer:

7

Step-by-step explanation:

$(3x ^{2} - 5)(4 + x ^{2} )$

$= 7x ^{2} + 3x ^{4} - 20$

thus the coeffiecient of

$x^{2}$

is 7