Question

1. Factor the expression 3X^3+4X^2-15X-20 Show your work
2.Solve the equation p^2+4p=1 by completing the square. Show your work
3. Multiply the polynomials (a^2+3a-7) and (2a^2-a+4) Simplify the answer. Show your work.

Answer 1

1
$3 {x}^{3} - 15x + 4 {x}^{2} - 20$
$3x( {x}^{2} - 5) + 4( {x}^{2} - 5)$
$( {x}^{2} - 5)(3x + 4)$