- #1

- 75

- 0

**question in fractions,,,**

how

2x+9/(3-x)(x+2) < 0

became

(3-x)(x+2)(2x+9) < 0 " multiply both sides "

zero is in the other side ,,,

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- Thread starter MrNeWBiE
- Start date

- #1

- 75

- 0

how

2x+9/(3-x)(x+2) < 0

became

(3-x)(x+2)(2x+9) < 0 " multiply both sides "

zero is in the other side ,,,

- #2

tiny-tim

Science Advisor

Homework Helper

- 25,832

- 251

Hi MrNeWBiE!

'cos one is (3-x)^{2}(x+2)^{2} times the other … *which is always positive! *

'cos one is (3-x)

- #3

- 75

- 0

so i multiply both sides with ====> (3-x)^2(x+2)^2

- #4

tiny-tim

Science Advisor

Homework Helper

- 25,832

- 251

(try using the X^{2} tag just above the Reply box )

Yup!

Yup!

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