nwind1325 nwind1325

03-07-2019
Mathematics

contestada

Solve for x. x2 + 7x + 10 = 0 A. -2, -5 B. -2, 5 C. 2, -5 D. 2, 5

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

03-07-2019

Answer:

A. -2, -5

Step-by-step explanation:

x^2 + 7x + 10 = 0

Factor the equation

What 2 numbers multiply to 10 and add to 7

2*5 =10

2+5 = 7

(x+2) (x+5)=0

Using the zero product property

x+2 =0 x+5 =0

x=-2 x = -5

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