Question

factorise b square + c square + 2bc - a square plz answer me today is my exam​

Answer 1

Answer:

☆Question☆

• Factorise b² + c² + 2bc - a²

☆Answer☆

☆Identity used :-

• (a + b)² = a² + 2ab + b²
• a² - b² = (a + b)(a - b)

☆Solution:-

□ Consider,

$\bf \:b² + c² + 2bc - a²$

$\bf\implies \: {(b + c)}^{2} - {a}^{2}$

$\bf\implies \:(b + c - a)(b + c + a)$

Answer 2

Step-by-step explanation:

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