factorize the folloeing expressions using suitable agebraic identity
x2+2x+1
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Answer:
-1
Step-by-step explanation:
x²+2x+1=0
formula (-b+-√(b²-4ac))/2a
in the equation a=1 b=2 c=1
Then put the values in the formula
(-2+-√(4-4*1*1))/2*1
-2/2=-1 is the answer.
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