SOLUTION: please "simplify" this problem. (7x^2-4x+3)-(5x^2+3x-8) thank you

Question 193917: please "simplify" this problem.

(7x^2-4x+3)-(5x^2+3x-8)

thank you
Answer by RAY100(1637) (Show Source): You can put this solution on YOUR website!
(7x^2-4x+3) - (5x^2 +3x -8)
usually better to just add, avoids sign errors,
just add the opposite
,
(7x^2 -4x +3) + ( -5x^2 -3x +8)
,
2x^2 -7x +11 ,,,,,ANSWER
,
another technique is to use vertical format, just line up powers, (still like add opposite)
,
,,,,,,,,,,,,7x^2 -4x +3
,,,,,,,,+,,-5x^2 -3x +8
_________________________
,,,,,,,,,,,,,2x^2 -7x +11
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