simplify 3 root 45+ 2 root 50 -3 root 125
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Answer:
-6√5 + 10√2
Step-by-step explanation:
3√45 + 2√50 - 3√125
√45=√3×3×5 = 3√5
√50=√2×5×5 =5√2
√125=√5×5×5 =5√5
= 3×3√5 + 2×5√2 - 3×5√5
= 9√5 + 10√2 - 15√5
= -6√5 + 10√2
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