Which shows one way to determine the factors of x^3 + 4x2 + 5x +20 by grouping?
a. x(x^2+4) + 5(x^2+4)
b. x^2(x+4) +5(x+4)
c. x^2(x+5) +4(x+5)
d. x(x^2+5) + 4x(x^2+5)

You can model the population of a certain city between 1955-2000 by the radical function p(x)=55,000 sqrt x-1945. using this model, in which year was the population of that city 220,000

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)