Simplify -7 cube root of 56+ cube root of 189

Math
-7563+1893
Simplify each term.
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Rewrite 56 as 23⋅7.
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Factor 8 out of 56.
-78(7)3+1893
Rewrite 8 as 23.
-723⋅73+1893
-723⋅73+1893
Pull terms out from under the radical.
-7(273)+1893
Multiply 2 by -7.
-1473+1893
Rewrite 189 as 33⋅7.
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Factor 27 out of 189.
-1473+27(7)3
Rewrite 27 as 33.
-1473+33⋅73
-1473+33⋅73
Pull terms out from under the radical.
-1473+373
-1473+373
Add -1473 and 373.
-1173
The result can be shown in multiple forms.
Exact Form:
-1173
Decimal Form:
-21.04224301…
Simplify -7 cube root of 56+ cube root of 189

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