Question

substract second polynomial from the first
$5x {}^{2} + 2x + 9 \: \: \: \: \: \: \: \: \: 3x {}^{2} + 5x - 7$
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Answer 1

hope it helps you dear ......

Answer 2

Step-by-step explanation:

3x^2 + 5x - 7 -( 5x^2 +2x+9)

3x^2+5x-7-5x^2-2x-9

-2x^2+3x-16 ans.

hope it helps you.