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Step-by-step explanation:

Step-by-step explanation:

Step-by-step explanation:[(4x^3+2x^2-5)+(15x-x^3-x^2)]-[(9+6x-2x^2)+(4x-1-5x^3+x^2)]

Step-by-step explanation:[(4x^3+2x^2-5)+(15x-x^3-x^2)]-[(9+6x-2x^2)+(4x-1-5x^3+x^2)][4x^3+2x^2-5+15x-x^3-x^2]-[9+6x-2x^2+4x-1+5x^3+x^2]

Step-by-step explanation:[(4x^3+2x^2-5)+(15x-x^3-x^2)]-[(9+6x-2x^2)+(4x-1-5x^3+x^2)][4x^3+2x^2-5+15x-x^3-x^2]-[9+6x-2x^2+4x-1+5x^3+x^2][3x^3+x^2+15x-5]-(8+10x-x^2-5x^3]

Step-by-step explanation:[(4x^3+2x^2-5)+(15x-x^3-x^2)]-[(9+6x-2x^2)+(4x-1-5x^3+x^2)][4x^3+2x^2-5+15x-x^3-x^2]-[9+6x-2x^2+4x-1+5x^3+x^2][3x^3+x^2+15x-5]-(8+10x-x^2-5x^3]3x^3+x^2+15x-5-8+10x-x^2-5x^3

Step-by-step explanation:[(4x^3+2x^2-5)+(15x-x^3-x^2)]-[(9+6x-2x^2)+(4x-1-5x^3+x^2)][4x^3+2x^2-5+15x-x^3-x^2]-[9+6x-2x^2+4x-1+5x^3+x^2][3x^3+x^2+15x-5]-(8+10x-x^2-5x^3]3x^3+x^2+15x-5-8+10x-x^2-5x^3-2x^3+25x-13

Step-by-step explanation:[(4x^3+2x^2-5)+(15x-x^3-x^2)]-[(9+6x-2x^2)+(4x-1-5x^3+x^2)][4x^3+2x^2-5+15x-x^3-x^2]-[9+6x-2x^2+4x-1+5x^3+x^2][3x^3+x^2+15x-5]-(8+10x-x^2-5x^3]3x^3+x^2+15x-5-8+10x-x^2-5x^3-2x^3+25x-13Hope it helps you

Answer is -2x^3 +25x-13

Answer:

(2x² - 5x² - 6x + 7) + (5x³ + x² + 4x - 13)

= -3x² - 6x + 7 + 5x³ + x² + 4x - 13

= 5x³ - 2x² - 2x - 6

Step-by-step explanation: