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# math question

Tue 21 Apr, 2009 05:28 pm
what is the product of x2-1/x+1 and x+3/3x-3?
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Type: Question • Score: 0 • Views: 1,782 • Replies: 5

Butrflynet

1
Tue 21 Apr, 2009 07:48 pm
@mikezotto92,
A product is the result of multiplication. Do do so, simplify the equations you've given to find the product.
JPB

1
Tue 21 Apr, 2009 07:55 pm
@mikezotto92,
mikezotto92 wrote:

what is the product of x2-1/x+1 and x+3/3x-3?

cross multipy x2-1 with 3x-3 and x+1 with x+3 and then reduce.

1
Tue 21 Apr, 2009 08:15 pm
@Butrflynet,
Butrflynet wrote:

A product is the result of multiplication. Do do so, simplify the equations you've given to find the product.

Those are fractions, not equations.
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3
Tue 21 Apr, 2009 08:18 pm
@JPB,
JPB wrote:

mikezotto92 wrote:

what is the product of x2-1/x+1 and x+3/3x-3?

cross multipy x2-1 with 3x-3 and x+1 with x+3 and then reduce.

Cross multiplication would be correct if the fractions were given as being equal.

To multiply fractions, you multiply the top numbers (numerators) and put the product as the new numerator, and multiply the bottom numbers (denominators) and put the product as the new denominator.

For example: 3/4 times 5/8 would be 15/32.

JPB

1
Tue 21 Apr, 2009 08:23 pm
^^ DD has it!
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