What are the solutions to the equation x2 + 6 x = 40

Question

asked Jul 3, 2021 212k views

1 Answer

Navneet Garg · Answer 1 · 2021-07-08T13:13:45+0000

Answer:

x=4 or x=-10

Explanation:

x² + 6x = 40

x² + 6x - 40 = 40 - 40

x² + 6x - 40 = 0

Use quadratic formula:
$\frac{b-+\sqrt{b^(2) -4ac} }{2a}$

a=1 , b=6 , c= -40

$\frac{-(6)-+\sqrt{6^(2) -4.1.(-40)} }{2.1}$

(-(6)-+√(196) )/(2.1)

x=4 or x=-10

Hope this helps ^-^