Simplifying combining like terms.
– z
2 + 13z2 – 5z + 7z3 – 15z
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Answer:
13z2+7z3-20z+2
Step-by-step explanation:
collect the lecterns together
13z2-5z+7z3-15z+2
13z2+7z3-5z-15z+2
=13z2+7z3-20z+2
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