SOLUTION: 4√7+3√7-8 3√7 tHAT ONE IS A CUBE SIMPLIFY the expression by combining the radical terms using the indicated operations. also i know i put test but

Algebra.Com
Question 983242: 4√7+3√7-8 3√7
tHAT ONE IS A CUBE
SIMPLIFY the expression by combining the radical terms using the indicated operations.
also i know i put test but its actually a review test.
Answer by Edwin McCravy(20060)   (Show Source): You can put this solution on YOUR website!
4√7+3√7-8 3√7 
Why is there a space between the 8 and the 3?  Is that supposed to be 83?

Why did you say "That one is a cube?" Are they supposed to be cube roots and
not square roots?

If 8 3 means 83 then to do:

4√7+3√7-83√7

Factor out the √7

√7(4+3-83)

√7(-76)

-76√7

Edwin

Edwin



RELATED QUESTIONS

Rational and Radical Expressions 1. Simplify the rational expression: x2 – 6x – 7 (answered by gladley)
PLEASE PLEASE PLEASE PLEASE PLEASE HELP ME. √(2)[√(4y) - √(18)]... (answered by stanbon)
1. Simplify the rational expression: Please show work x2 – 6x – 7 x2 – 1... (answered by checkley71)
Rational and Radical Expressions 1. Simplify the rational expression: x2 – 6x – 7 (answered by Edwin McCravy)
Rationalize the denominator (√ 7)/(√ 3+2) I got as far as (√... (answered by Fombitz,Alan3354,Edwin McCravy)
1) Add, simplify by collecting like radical terms. Assuming that all expression under... (answered by solver91311)
Perform the indicated operations and simplify. (z-1)/(z-8)-(z+1)/(z+8)+(z-120)/(z^2-64) (answered by solver91311)
Simplify the radical expression.... (answered by checkley71)
Rationalize the denominator of the expression. Assume that all variables are postive when (answered by rapaljer)