Use the pythagorean theorem (a^2 +b^2=c^2) to determine the unknown length of the right triangle . round your answer to the nearest tenth if necessary.

3.how is solving radical equations different than solving linear equations?

step-by-step explanation:

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!