Polynomials Factoring

Factor Completely: x⁴-9x²

• x²(x+3)(x-3)

• (x²+3x)(x²-3x)

• (x²+9)(x-3)(x+3)

• x²(x²-9)

Factor Completely: 4k²+24k+36

• (2k+6)²

• (2k-6)²

• (2k-6)(2k+6)

• 4(k+3)²

Find all the roots of y=x³-2x²+4x-8  (Hint: Factor)

• -2, 2i, -2i

• 2, 2i, -2i

• 2,-2, 2i

• 1, 2i, 4

Factor
81m² - 1 

• not factorable

• (m-9)(m+9)

• 9m(9m-1)

• (9m-1)(9m+1)

Factor:
 2x² - 3x - 2

• (2x - 2)(x + 1)

• (2x + 1)(x - 2)

• (2x - 1)(x - 2)

• (2x - 1) (x - 1)

Factor by grouping:
4p³+8p²+3p+6

• (2p²+3)(p+2)

• (2p²+6)(p+4)

• (4p²+3)(p+2)

• (4p²+8p)(3p+6)

What is the factored form of x³+7x²-2x-14

• (x²-2)(x-7)

• (x²+2)(x-7)

• (x²+2)(x+7)

• (x²-2)(x+7)

Factor Completely: 3x²+15x-72

• x(x+5)

• 3(x+8)(x-3)

• (3x+24)(x-3)

• 3(x-8)(x+3)

Factor: 8r³ + 16r²

• 4r²(2r + 4)

• 8r²(r + 2)

• 8(r³ + r²)

• 4(r³ + 2r²)

Factor Completely: 4x² - 20x + 25

• (4x - 25) (x -1)

• (2x + 5) (2x - 5)

• (2x - 5)²

• (4x - 5) (x - 5)