Factor the expression. x^2 – x – 42

a. (x 7)(x – 6)

b. (x – 7)(x 6)

c. (x – 7)(x – 6)

d. (x 7)(x 6)

Solve 2x+y=3 x+y=5 in substitution method

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

George is putting trim around his rectangular deck, including the gate. he will need 44 feet of trim to do the entire deck. if the deck is 13 feet long, how wide is the deck?