Question

x2+14x+49 is it a perfect square? ​

Answer 1

Answer:

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Answer 2

Given that: x 2 +14x+49

=x 2 +7x+7x+49, (split middle term so that resultant is same)

=(x 2 +7x)+(7x+49), (group pair of terms)

=x(x+7)+7(x+7), (factor each binomials)

=(x+7)(x+7)

$=(x+7) ^{2}$