Question

p(x)=3x³+7x,q(x)=7+3x

NO SPAMMING plzzz​

Answer 1

Answer:

let,

q (x)= 7+3x=0

so, x= -7/3

now put the value of x in p (x)

so, 3×(-7/3)3 + 7×-7/3

-343/9+(-49/3)

=54.44.............