Question

${x}^{2} + x - 2 = 0$
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Answer 1

Step-by-step explanation:

x^2+x-2=0

=>x^2+2x-x-2=0

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

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

x+2=0 x-1=0

=>x= -2 =>x=1