Question

(x² – 2xy + y²) - z square

please tell correct answers
I wil mark brainiest​

Answer 1

Given :-

• (x² - 2xy + y²) - z²

Solution :-

→ (x² - 2xy + y²) - z²

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

→ [(x)² - 2 × x × y + (y)²] - z²

→ (x - y)² - z²

• Again apply identity
• a² - b² = (a + b)(a - b)

Here

• (x - y) = a
• z = b

According to question

→ (x - y + z)(x - y - z)

Hence,

• Value after factorising (x - y + z)(x - y - z)

Answer 2

(x² - 2xy + y²) - z

(x - y)² - (z)²

using identity (a² - b²)

(x - y + z) (x - y - z)

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