Simplify (3y+5x-7)(x-1)-(y-2x+3)(x+4)
Answers
Answered by
1
Answer:
x2+15x
Step-by-step explanation:
Answered by
8
Answer:
2xy+7x²-7x-7y-5
Step-by-step explanation:
(3y+5x-7)(x-1)-(y-2x+3)(x+4)
=3xy+5x²-7x-3y-5x+7+2x²-xy+5x-4y-12
=3xy-xy+5x²+2x²-7x-5x+5x-3y-4y+7-12
=2xy+7x²-7x-7y-5
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