17-08-2021
Mathematics

contestada

Solve the equation 40 = 2x^2+ 2x by factoring.
What are the solutions?

Respuesta :

Аноним Аноним

17-08-2021

Answer:

x=4, -5

Step-by-step explanation:

Factor and set each factor equal to zero

Answer Link

jassimalhenyami jassimalhenyami

17-08-2021

Answer:

X = -4 , x= 4

Step-by-step explanation:

20=x^2-x=0

-20+x^2+x=0

x^2+x-20=0

x×(x+5)-4(x+5)=0

(x+5)×(x-4)=0

x+5=0

×-4=0

x=-5

x=4

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