Question

Factories 4a^2-9b^2-16c^2+24bc

Answer 1

Answer:

we know that... (a-b)² = a² -2ab+b²

and... a² - b²=(a+b)(a-b)

• 4a² - 9b² - 16c² + 24bc
• 4a² - (9b²+16c² - 24bc)
• 4a² - {(3b)² - 2 × 3b ×4c + (4c)²}
• (2a)² - (3b - 4c)²
• (2a +3b - 4c)(2a - 3b +4c)

Step-by-step explanation:

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