Question

find &
in the
figure
(x+3)(x+20)
ixtyo​

Answer 1

Answer:

(x+3)(x+20)

=(x+3)*(x+20)

=(x*x+3*x)*(x*x+3*20)

=(x2+3x)*(x2+60)

=x4+3x2+60

=x4+9x+60