solve the sum of maths 3x²-4y-5z³, 5y+2x²,7x²-8y,4x²-9y-5z³ find the solution and please no useless answer
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Answer:
78x-16y-250z
Step-by-step explanation:
9x-4y-125z
+ 4x+5y
+49x-8y
+16x-9y-125z
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