Factorize completely: x² - (y + z)²

Correct Answer is : (x + y + z)(x - y - z)

Correct Answer is : (x + y + z)(x - y - z)

Test Index

WAEC Mathematics 2023 Paper

Question : 33

Total: 50

x^2 - (y + z)^2

Solution:

$x^2 - (y + z)^2$

Using difference of two squares $(a^2 - b^2 = (a + b)(a - b)$

⇒ (x + (y + z))(x - (y + z))

⇒ (x + y + z)(x - y - z)

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