Posted by **Becks** on Wednesday, April 29, 2009 at 9:33am.

Simplify and show:

2a-6(10a)-5a^2(2)

-----------------

(2a-6)^2

This is my work but its not right.

10a-10a^2

--------

2a-6

Then solve for a by setting numerator to zero. so I got this...

10a-10a^2=0

10a(1-a)=0

a=0, a=1

My book says a=0, or a=6 why didn't I get this?

## Answer this Question

## Related Questions

- Math - Simplify 25a³b - 10a²b³ + 19b² -10a³b + 30a²b³ - 29b² and factor. I got ...
- math - What is the simplest form of the expression below? (4a+2b) + (6a+5b) F. ...
- math - factor the expression: 10a^2-19a+7 ok I no how to start of which would be...
- Math/Algebra - Could you also check these to. Thanks. (4x^2 + 9x - 1) - (5 - x^2...
- Algebra II - Does the square root of ((a^2)-(10a)+(25))simplify to a+5 times the...
- algabra - the sum of a the digits in a two digit # is 11. if the digits are ...
- chemistry - assuming that 1g of aspirin dissolves in 450ml of water at 10Â°C,how...
- chem102 - assuming that 1g of aspirin dissolves in 450ml of water at 10Â°C,how ...
- algebra - simplify show all work -6a-4a^2-2(10a^2+3a) evaluate -10+x divide by 2...
- Math 8R - Help!!!!!!!! - The expression 2(8a to the 2nd power + a - 1) + 3(a + 3...