Question

factorise
x(2)-14x-49​

Answer 1

Answer:

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Step-by-step explanation:

ANSWER

Given that: x2+14x+49

                  =x2+7x+7x+49,       (split middle term so that resultant is same)

                  =(x2+7x)+(7x+49),     (group pair of terms) 

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

                  =(x+7)(x+7),                (factor out common factor (x+7))

                  =(x+7)2

Aliter, use (a+b2)=a2+2ab+b2

⇒x2+14x+49=x2+2×7x+72=(x+7)2

Answer 2

Answer:

Above is your answer......