SOLUTION: simplify: 2a[5-a(2-3a)-2a]+3a^2
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Question 65358: simplify: 2a[5-a(2-3a)-2a]+3a^2
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QUESTION
simplify: 2a[5-a(2-3a)-2a]+3a^2
ANSWER:
2a[5-a(2-3a)-2a]+3a^2
Remove the parenthesis
==> 2a [ 5 -a*2 - a* -3a -2a ] + 3a^2
==> 2a [ 5-2a + 3a^2 -2a ] + 3a^2
==> 2a [ 5 - 4a + 3a^2 ] + 3a^2
==> 2a *5 - 2a * 4a + 2a * 3a^2 + 3a^2
==> 10a - 8a^2+ 6a^3 + 3a^2
==> 6a^3 -5a^2 + 10a
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