Math, asked by sweety657918, 11 months ago

What should be added to 2x + 6x? – 5x + 8 to get 3x – 2x² + 6x + 15 ?

Answers

Answered by jaspreet56

7

Answer:

2x+6x+(5x+x-2xsquare+7)-5x+8

Step-by-step explanation:

2x+6x+(5x+x-2xsquare+7)-5x+8

2×+6x+5x+x-2xsquare+7-5x+8

2x+x=3x

5x-5x=0

7+8=15

=3x-2xsquare+6x+15

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