Determine the factors of x2 − 7x − 10.
a (x + 2)(x − 5)
b Prime
c (x − 2)(x + 5)
d (x + 10)(x − 1)

Answer question above and explain each step : )

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

On #16 : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.