Question

Solve: x² + 7x² - 2x + 4x​

Answer 1

Answer:

$= > {x}^{2} + 7 {x}^{2} - 2x + 4x \\ \\ = > 8 {x}^{2} + 2x \\ \\ = > 2x(4x + 1) \\ \\ \\ solving \: for \: x \\ \\ \\ = > 2x = 0 \\ \\ = > x = 0 \\ \\ \\ = > 4x + 1 = 0 \\ \\ = > 4x = - 1 \\ \\ = > x = - \frac{1}{4}$