- #1

Saturnfirefly

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## Homework Statement

1, 2. Factorize completely:

80t^5-5t

3X-9X^2+12

solve: 3. 1/2x = 1/6+1/3X

4. A right-angle triangle has the hypotenuse 16.0, one of the short sides is 3 cm longer than the other. Area and perimeter?

## Homework Equations

## The Attempt at a Solution

1. 5t(16t^4-1)

2. x(3-9x)+12 are they completely factorized though?

3. I cross multiplied until I got: 18X = 5X^2 + 12X... can't get any further

4. no success

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