simplify 4√5-3 √20 + √45
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Answered by
0
Step-by-step explanation:
45
−3
20
+4
5
=
3×3×5
−3
2×2×5
+4
5
=3
5
−−6
5
+4
5
=7
5
−6
5
=
5
Answered by
3
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