Subtracting surds
We can only subtract surds that have the same surd part (the part under the root).
When subtracting surds with the same surd part, we simply subtract the coefficients (the numbers in front of the surd).
We can only subtract surds that have the same surd part (the part under the root).
When subtracting surds with the same surd part, we simply subtract the coefficients (the numbers in front of the surd).