Question

f (x) = x² + 2x +3 ​

Answer 1

Answer:

بمبكعبكتبك

Step-by-step explanation:

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Answer 2

Answer:

keeping 1 for 'x' value

f(1)=1²+2×1+3

= 1+2+3

= 6

So,this is not the factor

keeping ( -1 ) for 'x' value

f(-1)=(-1)²+2×(-1)+3

= 1-2+3

= 1+1

= 2