add (2) 5x³-4x²+3 and 3x³+7x²-9
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Answer:
7x cube +3xsquare- six
Step-by-step explanation:
+3
Answered by
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Step-by-step explanation:
ADD 5x3 - 4x2 +3
3x3 +7x2 -9
_________
ANS +8x3 +3x2 -6
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