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Subtraction of Polynomials

Subtract 4 x+...

Question

Subtract 4x + y + 2 from the sum of 3x $-$ 2y + 7 and 5x $-$ 3y $-$ 8.

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Solution

Sum of 3x $-$ 2y + 7 and 5x $-$ 3y $-$ 8:

3x $-$ 2y + 7
5x $-$ 3y $-$ 8
--------------------
8x $-$ 5y $-$ 1

Now, subtraction of 8x $-$ 5y $-$ 1 and 4x + y + 2:

8x $-$ 5y $-$ 1
4x + y + 2
$-$ $-$ $-$
---------------------
4x $-$ 6y $-$ 3

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