Subtract x² - 2y² + z² from 2x²+ 3y² – 4z²
step by step and proper pls.
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Answer:
x² + y² - 3z²
Step-by-step explanation:
( 2x²+ 3y² – 4z² ) - x² - 2y² + z² )
= 2x² + 3y² - 4z² - x² + 2y² - z²
= 2x² - x² + 3y² + 2y² - 4z² - z²
= x² + y² - 3z²
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