What is sqrt(28)*sqrt(20) ?

The solution to sqrt(28)*sqrt(20) is 4sqrt(35)

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simplify sqrt(28)*sqrt(20)

simplify

28 \cdot 20

435

Decimal

23.66431 \dots

Solution steps

2820

28 = 27

= 2720

20 = 25

= 27 \cdot 25

Apply radical rule:

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

75 = 7 \cdot 5

= 2 7 \cdot 5 \cdot 2

Multiply the numbers:

7 \cdot 5 = 35

= 235 \cdot 2

Multiply the numbers:

2 \cdot 2 = 4

= 435

\frac{x + 7}{x + 8} \cdot \frac{x ^{2} + x - 56}{x ^{2} - 49}

e^{\frac{7 ( 5 l n ( x ^{5} ) )}{5}}

(3 + 3) (3 - 3)

x + (- x)

2 + \frac{5}{a + 1}