Answer:
( x + 7 ) ( x + 7 )
Explanation:
Product = 49
Sum = 14
Factors = 7 & 7
x² + 14x + 49
x² + 14x + 49 = x² + 7x + 7x + 7*7
= x*( x+ 7) + 7*(x + 7)
= (x + 7)(x + 7)
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