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torisob [31]
3 years ago
10

Use the long division method to find the result when 9x^3+18x^2+20x+169x 3 +18x 2 +20x+16 is divided by 3x+43x+4.

Mathematics
1 answer:
fenix001 [56]3 years ago
3 0

Given:

Dividend = 9x^3+18x^2+20x+16

Divisor = 3x+4

To find:

The quotient and remainder by using the long division method.

Solution:

Using the long division method, divide the polynomial 9x^3+18x^2+20x+16 by 3x+4 as shown below:

3x+4 |\overline{9x^3+18x^2+20x+16}|3x^2+2x+4\\

         9x^3+12x^2\\\underline{(-)\quad (-)\quad \quad \quad}

             0+6x^2+20x

                   6x^2+8x\\\underline{(-)\quad (-)\quad \quad \quad}

                       0+12x+16  

                             12x+8\\\underline{(-)\quad (-)}

                                     \underline{\quad 0\quad}

Therefore, the quotient is 3x^2+2x+4 and the remainder is 0.

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