Question

3. Simplify:
(3x + 4y + 5z) (9x2 + 16y2 + 25z2 – 12xy-20yz - 15zx)
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Answer 1

Answer:

2700x^5 y^5 z^5

Step-by-step explanation:

• 3x + 4y + 5z = 12xyz
• 9x² + 16y² + 25z² = 50x²y²z²
• 12xy - 20yz - 15zx = 45x²y²z²
• (12xyz) (50x²y²z²) (45x²y²z²)
• 12xyz × 2,250x⁴y⁴z⁴
• 2700x^5y^5z^5