Step-by-step explanation:
1) (3y²), (3y²)
3y² + 3y² = 6y²
2)3y², -2y²
3y² + ( -2y²) = 3y² - 2y² = y²
3)4x²y², 3x²y²
4x²y² +3x²y²=7x²y²
4)8z²,5z²
8z² + 5z² = 13z²
5) 3x²z² , 2x²z²
3x²z² + 2x²z² = 5x²z²
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Answers & Comments
Step-by-step explanation:
1) (3y²), (3y²)
3y² + 3y² = 6y²
2)3y², -2y²
3y² + ( -2y²) = 3y² - 2y² = y²
3)4x²y², 3x²y²
4x²y² +3x²y²=7x²y²
4)8z²,5z²
8z² + 5z² = 13z²
5) 3x²z² , 2x²z²
3x²z² + 2x²z² = 5x²z²