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Solve.The side of a square equals the length of a rectangle. The width of the rectangle is 4 meters longer than its length. The sum of the areas of the square and the rectangle is 48 square centimeters. Find the side of the square.

Multiply.(8y + x)(8y – x)

Solve.Find the area of the circle. Do not approximate π.

Find the function.If P(x) = x – 8 and Q(x) = x2 – 11, find P(x) ∙ Q(x).

Factor the polynomial completely.x5 – 7×4 – 18×3

Factor the trinomial.5×2 – 5x + 35

Factor the polynomial.x3 + 4x + x2 + 4

Factor the polynomial.x3 + 2x + x2 + 2

Solve.The volume V(x) of a box in terms of its height x is given by the function Factor this expression for V(x).

Given the cost function, C(x), and the revenue function, R(x), find the number of units x that must be sold to break even.C(x) = 0.3x + 1320R(x) = 1.5x