Subtract.
Pa tulong with solution

Answer:
Step-by-step explanation:
therefore,
[tex]7x {}^{2}y {}^{3} z - 7 {x}^{2} {y}^{3} z \\ = 7( {x}^{2} y {}^{3} z - {x}^{2} {y}^{3} z) \\ = 7(0) \\ = 0[/tex]
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