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Evgen [1.6K]
2 years ago
7

Simplify the expression 5√2 + √18

Mathematics
2 answers:
ivanzaharov [21]2 years ago
6 0

Answer:

\large\boxed{5\sqrt2+\sqrt{18}=8\sqrt2}

Step-by-step explanation:

5\sqrt2+\sqrt{18}=5\sqrt2+\sqrt{9\cdot2}\\\\\text{use}\ \sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\\\\=5\sqrt2+\sqrt9\cdot\sqrt2=5\sqrt2+3\sqrt2=(5+3)\sqrt2=8\sqrt2

Naddik [55]2 years ago
4 0

Answer:

8√2

Step-by-step explanation:

Simplify √18 which is 3√2

5√2+3√2=8√2

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