Question

c) x² + 2x-9 Parax=4​

Answer 1

Dato: x = 4

${4}^{2} \: + \: 2(4) \: - \: 9$

$16 \: + \: 8 \: - \: 9$

$24 \: - \: 9$

$\boxed{15}$

Besitos OvO