3 years ago

When is factoring by grouping easier to use. How many terms must you have to have ?

1 answer:

3 0

You must have 4 terms for factoring by grouping to be easier to use.

For example...
x^2 + 10x + 2x + 20
(x^2 + 10x) + (2x + 20)
x(x+10) + 2(x+10)
(x+2)(x+10)

The first line, the expression x^2+10x+2x+20, has four terms.

Note: Just because you have four terms doesn't automatically guarantee you can factor

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A percentage is a way to describe a part of a whole. The percentage increase of Magikarps is 100%.

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A percentage is a way to describe a part of a whole. such as the fraction ¼ can be described as 0.25 which is equal to 25%.

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