What is the exact value for the expression the square root of 56. - the square root of 14. + the square root of 126.? Simplify if possible.

the square root of 14.

4 the square root of 14.

2 the square root of 42.

8 the square root of 42.

... ?

Question

Joslyn Small

Mathematics

3 January, 15:40

What is the exact value for the expression the square root of 56. - the square root of 14. + the square root of 126.? Simplify if possible.

the square root of 14.

4 the square root of 14.

2 the square root of 42.

8 the square root of 42.

... ?

+2

Answers (1)

Know the Answer?

Ernesto Pitts · Answer 1

Sqr root of 56 - sqr root of 14 + sqr root of 126 = sqr root of (4x14) - sqr root of 14 + sqr root of (9x14) = 2 (sqr root of 14) - (sqr root of 14) + 3 (sqr root of 14) = 4 (sqr root of 14)

The right answer will be B.

What is the exact value for the expression the square root of 56. - the square root of 14. + the square root of 126.? Simplify if possible.the square root of 14.4 the square root of 14.2 the square root of 42.8 the square root of 42.... ?

What is the exact value for the expression the square root of 56. - the square root of 14. + the square root of 126.? Simplify if possible.

the square root of 14.

4 the square root of 14.

2 the square root of 42.

8 the square root of 42.

... ?