Question

Use factor theorem to factorise

x³ + x² - 4x - 4 completely.​

Answer 1

Answer:

×+×-4×-4 is xxx8 best answer in the world

Answer 2

Answer:

${x}^{3} + {x}^{2} - 4x - 4 = 0 \\ \\ {x}^{2} (x + 1) - 4(x + 1) = 0 \\ \\ ( x + 1) \: \: ( {x}^{2} - 4) = 0$

When

x + 1 = 0

x = - 1

When

${x}^{2} - 4 = 0 \\ \\ {x }^{2} = 4 \\ \\ x = ±2$

Hope it helps.