simplify 2/5*7

Solution

simplify

\frac{2}{5} \cdot 7

\frac{14}{5}

Decimal Notation

2.8

Solution steps

\frac{2}{5} \cdot 7

Convert element to fraction:

7 = \frac{7}{1}

= \frac{2}{5} \cdot \frac{7}{1}

Apply the fraction rule:

\frac{a}{b} \cdot \frac{c}{d} = \frac{a \cdot c}{b \cdot d}

= \frac{2 \cdot 7}{5 \cdot 1}

Multiply the numbers:

2 \cdot 7 = 14

= \frac{14}{5 \cdot 1}

Multiply the numbers:

5 \cdot 1 = 5

= \frac{14}{5}

x^{2} + 6 x - 36 = 0

4 x^{2} + 8 x + 4 = 0

∣ x + 2 ∣ \leq 7

2 x + 8 > 12

5 x^{2} = 6 x