Simplify.
(4x^2+4)+(19x^2-7)
23x^2-3
Simplify.
-3x(2x^2+4)
-6x^3-12x
Recall that the perimeter of a figure is the sum of all the lengths of the sides. Determine the perimeter of the triangle and write the answer in standard form.

2x^2+9x+2
Simplify.
(13x^2y-2x+1)+(9x^2y-7)
22x^2y-2x-6
Simplify.
(9x+1)(6x+2)
54x^2+24x+2
Recall that the perimeter of a figure is the sum of all the lengths of the sides. Determine the perimeter of the figure in terms of z. Write your final answer in standard form.

90z+176
Simplify.
(-x^3+8x^2-5)+(10x^3-x^2+1)
9x^3+7x^2-4
Simplify.
(4x-1)^2
16x^2-8x+1
Find the area of each figure in terms of x. Then, write a simplified polynomial describing the total area of the rectangles and squares combined.
5x^2+24x
Simplify.
(3x+2)-(11x-6)
-8x+8
Simplify.
(4a+7b)(3a-2b)
12a^2+13ab-14b^2
Recall that area of a rectangle is length times width. Determine the area of the shaded region in terms of x.

x^2+8x+7
Simplify.
(x^2-x+4)-(x^2+x-2)
-2x+6
Simplify.
7s(s^2-6sp+2p^2)
49s^3-42s^2p+14sp^2
Determine the area of the shaded region.

66x^3+40x^2+24x