Question

resolver a fórmula do Bhaskara
x2+x-15=0​

Answer 1

Resposta:

3.873 e -3.873

Explicação passo a passo:

a=1 b=0 c=-15

$x=\frac{-(0) +- \sqrt{(0)^2 -4 * (1) * (-15)} }{2 * 1}$

$\frac{-0 +- \sqrt{60} }{2}$

$x= \frac{7.746}{2} ou x= -\frac{7.746}{2}$

Answer 2

x² + x - 15 = 0

a = 1, b = 1, c = - 15

x = [- b ± √(b² - 4ac)]/2a

x = [- 1 ± √(1² - 4 . 1 . (- 15))]/[2 . 1]

x = [- 1 ± √(1 + 60)]/2

x = [- 1 ± √61]/2

S = {x₁ = [- 1 - √61]/2 , x₂ = [- 1 + √61]/2}

att. yrz