8b. Use the table to solve these equations: i) x² + x = 2; ii) x³ + x = 2.

i) From the x² + x row, the value 2 occurs at x = −2 and x = 1.

ii) From the x³ + x row, the value 2 occurs at x = 1.

Answer: i) x = −2 or x = 1; ii) x = 1.