2x²-3y²+4z²+2y²-3x²+4z²+2y²-3x²+4z²
Answers
Answered by
2
Answer:
first separate same term and then solve.
= 2x²-3x²-3x²-3y²+2y²+2y²+4z²+4z²+4z²
= -4x²+y²+12z²
Answered by
9
Answer:
- 4x² + y² + 12z²
Step-by-step explanation:
2x² - 3y² + 4z² + 2y² - 3x² + 4z² + 2y² - 3x² + 4z²
= 2x² - 3x² - 3x² - 3y² + 2y² + 2y² + 4z² + 4z² + 4z²
= 2x² - 6x² - 3y² + 4y² + 12z²
= - 4x² + y² + 12z²
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