Question

find the coefficent of x^2 in (7-2x^2)( x^2-3)

Answer 1

In (7-2x ^2 )
the coeficient is -2
In (x^2 -3 )
the coeficient is 1
its because in x^2 the number we have is -2 so the coeficient is -2
in the second case
with x^2 there is no number as we take it as 1
Hope its helps