Simplifique os radicais e reduza os termos:
[A] -2√10 - 5√90 + 6√10 - 8√40 =
[B] ³√2 + √2 + 3√2 - 2 ³√2 - √8 =
obs:SE puder explicar o conteúdo (resumo) agradeço desde já
A)√90=5√3
√40=2√10
-2√10-5*5√3+6√10-8√10=
(-2+6-8)√10-25√3=
-4√10-25√3
B)√8=2√2
³√2+√2+3√2-2³√2-2√2=
(1+3-2)√2+(1-2)³√2=
2√2-³√2
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Verified answer
A)√90=5√3
√40=2√10
-2√10-5*5√3+6√10-8√10=
(-2+6-8)√10-25√3=
-4√10-25√3
B)√8=2√2
³√2+√2+3√2-2³√2-2√2=
(1+3-2)√2+(1-2)³√2=
2√2-³√2