. HELP

Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)

Darcy bought 1/2 pound of cheese and 3/4 pound of hamburger for a barbecue.use the numbers to compare the amounts of cheese and hamburger darcy bought.

Determine the solution to the given equation. 4 + 3y = 6y – 5 a. y = 3 b. y = –3 c. y = 1 d. y = –1 select the best answer from the choices provided a b c d