Simplify 4 square root of 45+ square root of 20

Math
445+20
Simplify each term.
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Rewrite 45 as 32⋅5.
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Factor 9 out of 45.
49(5)+20
Rewrite 9 as 32.
432⋅5+20
432⋅5+20
Pull terms out from under the radical.
4(35)+20
Multiply 3 by 4.
125+20
Rewrite 20 as 22⋅5.
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Factor 4 out of 20.
125+4(5)
Rewrite 4 as 22.
125+22⋅5
125+22⋅5
Pull terms out from under the radical.
125+25
125+25
Add 125 and 25.
145
The result can be shown in multiple forms.
Exact Form:
145
Decimal Form:
31.30495168…
Simplify 4 square root of 45+ square root of 20

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