Question

(3)-(x2+x+1)..................

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Answer 1

Step-by-step explanation:

3-x²-x-1= 0.

x²+x-2=0

x²+2x-x-2=0

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

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

x= 1 or -2 is the answer.....