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14-05-2020
Mathematics

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What are the solutions to the equation?
x2 + 6x = 40
Ox=-10 and x = 4
O x= -8 and x = 5
Ox= -5 and x = 8
x= -4 and x = 10

Respuesta :

nmr819gmr nmr819gmr

14-05-2020

Answer:

A. x=4 and x= -10

Step-by-step explanation:

x^2 +6× = 40

x^2 +6x -40

(x-4)(x+10)

x-4 = 0

x+10 = 0

x= 4

x=-10

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