Homework Help: Algebra

Posted by JT on Monday, July 19, 2010 at 9:16pm.

Why are these algebraic expressions used and explain the logical error: Since a = b, then a2 = a * b
Subtract b2 from both sides a2 – b2 = a * b – b2
Factor both sides: ( a + b )( a – b ) = b(a – b )
Divide both sides by ( a – b)
( a + b ) = b
Since a = b,

Algebra - Reiny, Monday, July 19, 2010 at 10:24pm
error:
since a-b = 0, you are dividing by zero !!!!

Answer this Question

Related Questions

ALgebra - Indicate and explain the logical error in the following set of ...
Algebra - explain the logical error Square both sides to get a2 = b2
Algebra - Find logical error a2 = b * b
Math - How do you do this problem because i feel like i did it wrong (3&...
algebra - ã18/ã8 -ã2 a)ã3 b)...
Algebra - Is this equation true or false? Why? 20-4ã2=16&...
Calculus - ã27 + ã12 - ã32 - &...
physics - Identical +7.74 ƒÊC charges are fixed to adjacent corners ...
math - can you answer this question in a different and more logical way than ...
Math - (3ã2 + 4)^2 (3ã2 + 4)(3ã2 + 4) 9&#...

For Further Reading

First Name:
School Subject:
Answer: