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Select the correct answer. What is this expression in simplified form? 2√2-7√18 OA 18√5 OB. 84√2 OC. 84 OD. 14sqrt6​

Sagot :

The expression in simplified form is -19√2

How to write this expression in simplified form?

The expression is given as:

2√2 - 7√18


Express 18 as 9 * 2

So, we have:

2√2 - 7√18 = 2√2 - 7√(9 * 2)

Take the square root of 9

2√2 - 7√18 = 2√2 - 7 * 3√2

This gives

2√2 - 7√18 = 2√2 - 21√2

Evaluate the difference

2√2 - 7√18 = -19√2

Hence, the expression in simplified form is -19√2

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