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m_a_m_a [10]
2 years ago
13

X² + 2x² = y - 2y= 4x + 5x

Mathematics
2 answers:
Rudik [331]2 years ago
7 0
Here are your answers

x^2 + 2x^2 = 3x^2

y - 2y = -y

4x + 5x = 9x

Hope it helps
Have a great day :)
Dafna1 [17]2 years ago
6 0

Answer:

3 {x}^{2}

- y

9x

Step-by-step explanation:

combine like terms

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