Question

X²+x=2
Solve this equation

Answer 1

Answer:

x=-1,2

Step-by-step explanation:

x²+x-2=0

x=(1/2)[-1±(√1-4(-2)(1)]

x=(1/2)[-1±√9]

x=(1/2)[-1±3]

x=(1/2)(2), (1/2)(-4)

x=1, -2

Answer 2

Answer:

x2 + x = 2

x2 + x - 2 = 0

x2 -2x + x -2 = 0

x(x-2) + 1(x-2) = 0

(x+1) (x-2) = 0

therefore x = -1 or x = 2

Step-by-step explanation:

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