from the sum of 4+3a and 5-4a+2a², subtract the
of 3a²-5a and-a2+2a+5.
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Step-by-step explanation:
Sum of 4 + 3a and 5 - 4a + 2a^2
Is 2a^2 - a + 4
Sum of 3a^2 - 5a and -a^2 + 2a + 5
Is 2a^2 - 3a + 5
Subtraction = (2a^2 - a + 4) - (2a^2 - 3a + 5)
= 2a - 1
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