# Questions on rational expressions, quadratic formula

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In this exercise, four questions are answered. They involve the simplification of rational expressions, solving for x in a quadratic and a cubic function.

1) (a^3 b^4 / 125)^(1/3)

2) (2 r^5)^(1/2) * (10 t^4)^(1/2)

3) (x + 4)^3 = 7.51

4) x^2 + 8x + 17 = 0

https://brainmass.com/math/basic-algebra/questions-rational-expressions-quadratic-formula-293621

#### Solution Preview

Radical and Rational Expression

Section 9.1 - 94

âˆ›((a^3 b^4)/125)=((a^3 b^4)/125)^(1/3)

=((a^3 )^(1/3) (b^4 )^(1/3))/ã€–125ã€—^(1/3)

=(ab^(4/3))/5

Section 9.3 - ...

#### Solution Summary

In this exercise, four questions are answered. They involve the simplification of rational expressions, solving for x in a quadratic and a cubic function.

$2.49