93. Solve the following algeberic expression:
(a) xy + ( xy - 4x2+ 3x -5 ) – (-3x2 - 4)-(xy + x2-4)
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Answer:
xy-2x²+3x+3
Step-by-step explanation:
we have,
xy+(xy-4x²+3x-5)-(-3x²-4)-(xy+x²-4)
= xy+xy-4x²+3x-5+3x²+4-xy-x²+4
= xy-2x²+3x+3 ....ans.
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