Question

Multiply
x² + x + 1 by x² - x + 1 ​

Answer 1

2 (x + 1) this is the answer

Answer 2

${x}^{2} + x + 1 ( {x}^{2} - x + 1) \\ = {x}^{2} ( {x}^{2} - x + 1) + x( {x}^{2} - x + 1) + \\ 1( {x}^{2} - x + 1) \\ \\ = {x}^{4} - {x}^{3} + {x}^{2} + {x}^{3} - {x}^{2} + x + {x}^{2} \\ - x + 1 \\ = {x}^{4} + {x}^{2} - x + 1\\ = {x}^{6} - x + 1$