Multiply ( x+7 ) ( x+7 ) using appropriate identities
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Answer:
(a+b)^2=a^2+2ab+b^2
(x+7)^2=x^2+14x+49
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Step-by-step explanation:
( x+7 ) ( x+7 )
=( x+7 )^2
=x^2+14x+49 by using the identity (a+b)^2=a^2+2ab+b^2
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