subtract -p²q²-7pq²+8 from-8pq²-p²q²+9
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Step-by-step explanation:
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Answer:
-pq² + 1
Step-by-step explanation:
first lets get the like terms together:
-8pq² and -7pq²
-p²q² and -p²q²
+9 and +8
Now we change the sign of the lower number:
-8pq² +7pq² -p²q² + p²q² +9 -8
= -pq² + 1