Question

3x²-5x+3,2x²+3x-1,4-2x-x²​

Answer 1

Step-by-step explanation:

( 3x³ - 2x² - 5x - 6 ) - ( 2x³ + 5x² - 2x - 11 )

= 3x³ - 2x² - 5x - 6 -2x³ - 5x² + 2x + 11

= 3x³ - 2x³ - 2x² - 5x² - 5x + 2x - 6 + 11

= x³ - 7x² - 3x + 5

Answer 2

Step-by-step explanation:

= 3x^2-5x+3+2x^2+3x-1+4-2x-x^2

= 4x^2-4x+6

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