Question

qual a bhaskara de s=40-2t+2t^2​

Answer 1

Resposta:

${b}^{2} - 4 \times \:a \times c \: = \:delta$

4 - 4 * 2 * 40 = -316

$\frac{ - b + - \sqrt{delta} }{2a}$

2 +- sqrt -316 / 4 = 0,5