Question

Factorise :

(a+2b)^2 – 16^2​

Answer 1

Step-by-step explanation:

${(a + 2b)}^{2} - {(16)}^{2}$

Using identity,

$(a + 2b + 16)(a + 2b - 16)$

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Answer 2

Answer:

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(a+2b)²- 16²

Use identity a²-b²

= (a+2b+16) (a+2b-16)