(a^2-3a+2)(5a-2)-(3a^2+4a-5)(2a-1)
simplify it
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Answer:
a^3 + 18 a^2 - 32 a - 1
Step-by-step explanation:
= (5a^3 - 15 a^2 + 10a - 2a^2+ 6a - 4) - (6a^3+ 4a^2- 10 a - 3a^2- 4a - 5)
= (5a^3- 17a^2 +16a - 4) - (6a^3+ a^2- 16 a + 5)
= - ( a^3+ 18a^2 - 32a - 1) = 0
= a^3+ 18a^2 - 32a - 1 = 0
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