Question

Factorise a²+2 ab+b2-16 and divide by (a+b+4).
Find T.S.A ardISA of the​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

$let \ Z=a^2+2ab+b^2-16\\\\=(a+b)^2-4^2\\\\\bf Z=(a+b+4)(a+b-4)\\\\Dividing\ both \ sides \ by \ (a+b+4)\\\\\frac{Z}{a+b+4} =\frac{(a+b+4)(a+b-4)}{a+b+4} \\\\=a+b-4 \ ans$