The simplification of √75+ √48 -2√675 is -21√3.
<h3>What is a surd?</h3>
Surds are irrational numbers.
To simplify the surd in the question above, we use the addition and subtraction of surds.
<h3>Addition and subtraction of surds</h3>
Two or more surds can be added or subtracted if they are in the same basic form.
E.g
Using the above example,
Given:
Express the surds to the same basic form
- 5√3+4√3-(2×15)√3
- 5√3+4√3-30√3
- 9√3-30√3 = -21√3
Hence, the simplification of √75+ √48 -2√675 is -21√3.
Learn more about surds here: brainly.com/question/18070276
#SPJ1