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Popular >

simplify 7sqrt(45)

Solution

simplify

745

Solution

215

+1

Decimal Notation

46.95742 \dots

Solution steps

745

Prime factorization of

45 : 3^{2} \cdot 5

= 7 3^{2} \cdot 5

Apply radical rule:

ab = a b, a \geq 0, b \geq 0

3^{2} \cdot 5 = 3^{2} 5

= 7 3^{2} 5

Apply radical rule:

a^{2} = a, a \geq 0

3^{2} = 3

= 7 \cdot 35

Multiply the numbers:

7 \cdot 3 = 21

= 215

Popular Examples

x^{2} - 16 = 0

factor 4x^4+20x^3+12x^2 factor

4 x^{4} + 20 x^{3} + 12 x^{2}

simplify (sqrt(28))/(sqrt(7))simplify

\frac{28}{7}

6 x + 4 (4 - x) = 48

\frac{3 ( x - 5 )}{8} = 4

Frequently Asked Questions (FAQ)

What is 7sqrt(45) ?
The solution to 7sqrt(45) is 21sqrt(5)