anon1899 anon1899

16-01-2019
Mathematics

contestada

Which of the following are solutions to the equations below? x^2+x-20=0

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

16-01-2019

Answer:

x=4 x=-5

Step-by-step explanation:

x^2+x-20=0

Factor

What 2 numbers multiply to -20 and add to 1

-4*5 =-20 and

-4+5 =1

(x-4) (x+5) =0

Using the zero product property

x-4 =0 x+5=0

x=4 x=-5

Answer Link

JS28boss JS28boss

16-01-2019

Answer:My answer would be

x=4,-5

tell me if I am wrong

Step-by-step explanation:

Answer Link

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