Question

Add together 3x^2-7x+5 and 2x^3+x-3 and diminish the result by 3x^2 +2

Answer 1

Refer to the attachment

Answer 2

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• (3x²-7x+5) + (2x?+x-3)

• 2x°+3x²-6x+2

Now, diminish

• 2x°+3x²-6x+2 by 3x²+2

• 2x³+3x²-6x+2

• -3x2 - 2 (sign reverses in subtraction)

• 2x3-6x

:: The final result is 2x°-6x