factorise (x+4) (x-4)
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As per identity (a+b) (a-b) = a^2 - b^2
When we Implies to ur question then this identity become x^2 - 4^2=x^2-16
When we Implies to ur question then this identity become x^2 - 4^2=x^2-16
Answered by
1
Answer:
x^2-16
Step-by-step explanation:
(x+a)(x-b)
x^2+(4-4)x+(4×-4)
x^-16
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