Math, asked by joydeepdas058, 7 days ago

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Answered by atharvjoshi3
1

Answer:

2x²-10x+4

Step-by-step explanation:

sum- (2x²-8x+11)+(x²-3x-9)

= 3x²-11x+3

difference - (3x²-11x+3)-(x²-x-1)

=3x²-11x+3-x²+x+1

=2x²-10x+4

Answered by sahlalan1977
1

Step-by-step explanation:

sum of 2x2-8x+11

+ x2-3x-9

= 3x2+11x+2

- x2- x-1

= 2x2+10x+1

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