Question

QUANTO É: 81X^2+25X+16=0​

Answer 1

Resposta:

$8 1{x}^{2} + 25x + 16 = 0 \\ a = 81\: \: b = 25\: \: c = 16 \\ delta = 2 {5}^{2} - 4.81.16 \\ delta = 625 - 5184\\ delta = - 4559$