Q. (x+6)2Which of the following is equivalent to the given expression?Choose 1 answer:(A) x2+12x+12(B) 2x2+12x+12(C) x2+12x+36(D) 2x2+12
Applying the formula: We apply the formula to the given expression:(x+6)2=x2+2⋅x⋅6+62Now we calculate each term:x2 is the square of x,2⋅x⋅6 is the product of 2, x, and 6,62 is the square of 6.
Calculating each term: Performing the calculations:x2=x2 (no change),2×x×6=12x (multiplying 2 by x and then by 6),62=36 (squaring 6).So, (x+6)2=x2+12x+36.
Performing the calculations: We compare the result with the given choices:(A) x2+12x+12 (incorrect, the constant term should be 36),(B) 2x2+12x+12 (incorrect, the coefficient of x2 should be 1 and the constant term should be 36),(C) x2+12x+36 (correct, matches our expanded expression),(D) 2x2+12 (incorrect, the coefficient of x2 should be 1 and the constant term is missing).
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