Add: (a²y²z² - 6b²c²d²); (-2b²c²d²- 6a²y²z²)
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Answer:
-5a^2 y^2 z^2 - 4b^2 c^2 d^2
Step-by-step explanation:
a^2 y^2 z^2 - 6b^2 c^2 d^2
-6a^2 y^2 z^2 - 2b^2 c^2 d^2
+________________________
-5a^2 y^2 z^2 - 4b^2 c^2 d^2
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