Question

17. 2x² + ax - a² = 0​

Answer 1

sorry I can't understand

Answer 2

Step-by-step explanation:

$2 {x}^{2} + ax - a { {}^{2} } = 0 \\ x(2x + a) - a {}^{2} = 0 \\ 2x + a - a { {}^{} }^{2} = 0 \\ a( - a + 1)2x = 0$

I hope it helps you