Question

A rectangle has a height of x + 4 and a width of x2 + 3x + 2.

Express the area of the entire rectangle.
Your answer should be a polynomial in standard form.
x2
+
32
+ 2
х
+
4

Answer 1

Explanation:

we have height, h=x+4

w=x^2+3x+2

Area, A=h*w

A=(x+4)(x^2+3x+2)=x^3+3x^2+2x+4x^2+12x+8=

=x^3+7x^2+14x+8