Question

solve
1.-y²-(x²+y²+z²)
2.(4p+7pq-6p)-(7pq-6p-4p) 3.x+y-(-2x-2y) 5.(-l²+lm+½)-(-l²-ml-½)​

Answer 1

Answer:

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Answer 2

Answer:

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Step-by-step explanation:

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