Math, asked by sulekhawz1982, 8 months ago

15. How much does x²-xy+4b²exceed-2x²-7x+5b²

Answers

Answered by pprasiddha

4

Answer:

= (2x²-7x+5b²) - (x²-xy+4b²)

= 2x²-x²-7x-xy+5b²-4b²

= x²-7x-xy+b²

You can also write

x²- (7-y)x + b²

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