Question

Multiply
a) (x2 + 2x + 1)(x - 1)​

Answer 1

Answer:

$({x}^{2} + 2x + 1)(x - 1)$

$x( {x}^{2} + 2x + 1) - 1( {x}^{2} + 2x + 1)$

${x}^{3} + 2 {x}^{2} + x - {x}^{2} - 2x - 1$

${x}^{3} + {x}^{2} - x - 1$