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March 10, 2014

# Homework Help: math

Posted by monique n on Monday, February 7, 2011 at 9:35pm.

how do i solve the following problems?

a^5+6a^4+5a^3=0

t^5-256t=0

y^3-512=0

z=8(root)z+240

• math - helper, Monday, February 7, 2011 at 10:26pm

You have to factor to solve.
a^5 + 6a^4 + 5a^3 = 0
a^3(a + 1)(a + 5) = 0

a^3 = 0
a = 0

a + 1 = 0
a = -1

a + 5 = 0
a = -5

Do the other problems the same to solve.

• math - monique n, Wednesday, February 9, 2011 at 1:02am

i dont understand how to do them. ive tried getting help but i just dont understand them

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