Question

Factorise :
${(a + b)}^{2} - {a}^{2} + {b}^{2}$
​

Answer 1

Answer:

(a + b ) ² - a² + b²

a² + 2ab + b² - a² + b²

Formula used:

(a+b)² = a² + 2ab + b²

2ab + 2b²

2b ( a +b) ANS

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Answer 2

Answer:

2b(a+b)

Step-by-step explanation:

(a+b)²-a²+b²

a²+b²+2ab-a²+b²

2b²+2ab

2b(a+b)