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Yes, you can add or subtract under the radical.

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Wiki User

12y ago
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1y ago

No, you cannot add or subtract under the radical. The radical represents the square root function, and it only operates on the number or expression that is inside the radical. To add or subtract, you need to simplify the expressions inside the radical first.

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Q: Can you add or subtract under the radical?
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Related questions

What are the Rules for subtracting radicals?

similar-a similar radicand is to add or subtract similar radicals we simply add and subtract there coefficients and Anex to the sum of their common radical part.


How do you add and subtract radical expressions?

Providing the radical has then just add/subtract. e.g. 4sqrt(3) + (/-)7sqrt(3) . The radical has tha same coefficient of 'sqrt(3)' Hence it becomes 11sqrt(3) ( or - 3sqrt(3)) However, if the radicals are different then 4sqrt(3) + 7sqrt(2) . cannot be taken any further.


If you need to add radical expressions that have different radicands you should determine whether you can subtract a radical expression and then combine like terms?

false , i tried it on apex so its right


Does decrease mean to add or subtract?

wich one


How do you add and subtract radical fractions similar?

Similar radicalssuch as ... 5(sq root 7) + 3(sq root 7) are similar because the radical has the same root index and the same number inside the radical. Like variables they can have different coefficients. 2x and 5x are similar ( called like terms) add the coefficients. 2x + 5x = 7x similarly 5(sq root 7) + 3(sq root 7) = 8(sq root 7)


Does how many mean add or subtract?

does how many mean add or subtract


Can you subtract a radical number from a whole number?

yes


What is the opposite for add?

The opposite of add is subtract.


Does how many more mean add or subtract?

it means to subtract


How are fractions under addition?

In order to add or subtract fractions, they must have the same denominator.


How is combining like terms similar to adding and subtracting square roots?

In surd form, square roots need to be have the same radical term before you can add or subtract them. However, unlike in algebraic expressions, it is possible to add or subtract square roots using approximate (decimal) values.


How do you add and subtract like denominator?

You add or subtract only the numerators