2x^3+2x^2+5x-7, That would be the answer.
Answer:
x=4
Step-by-step explanation:
if you do
you'll get that
is 64.
Answer:
15 x^8 y^3
Step-by-step explanation:
The area of a rectangle is given by
A = l*w where l is the length and w is the width
A = ( 5x^6 y^2) *( 3x^2 y)
= 15 x^(6+2) y^(2+1)
= 15 x^8 y^3
The answer is 615.4
Hope this helps :)