Question

simplify the following
3 root 63_2 root28 _ root 112







​

Answer 1

Answer:

Rewrite 2828 as 22⋅722⋅7.

3√22⋅7+√63−2√112322⋅7+63-2112

Pull terms out from under the radical.

3(2√7)+√63−2√1123(27)+63-2112

Multiply 22 by 33.

6√7+√63−2√11267+63-2112

Rewrite 6363 as 32⋅732⋅7.

6√7+√32⋅7−2√11267+32⋅7-2112

Pull terms out from under the radical.

6√7+3√7−2√11267+37-2112

Rewrite 112112 as 42⋅742⋅7.

6√7+3√7−2√42⋅767+37-242⋅7

Pull terms out from under the radical.

6√7+3√7−2(4√7)67+37-2(47)

Multiply 44 by −2-2.

6√7+3√7−8√767+37-87

Simplify by adding terms.

√77

The result can be shown in multiple forms.

Exact Form:

√77

Decimal Form:

Answer 2

Step-by-step explanation:

3√63-2√28-√112

2.6457513111

I hope my answer will help you