add and subtract step by step please
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Step-by-step explanation:
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Answer:
Answer of :-
Add : 14xy-11yz
Substract : 1-2x(x²+x+1)
Step-by-step explanation:
1. Add : 17xy-13yz+8zx-7zx+9yz-5xy and 2xy-7yz-zx
= (17xy-5xy-13yz+9yz+8zx-7zx)+(2xy-7yz-zx)
= (12xy-4yz+zx)+(2xy-7yz-zx)
= 12xy-4yz+zx+2xy-7yz-zx
= 12xy+2xy-4yz-7yz-zx+zx
= 14xy-11yz
2. Substract : 2-2x³-x²-3x-(x²-x+1)
= 2-2x³-x²-3x-x²+x-1
= 2-1-2x³-x²-x²-3x+x
= 1-2x³-2x²-2x
= 1-2x(x²+x+1)
Please mark me as brainliest and hope it helps
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