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Exercise

$\frac{4}{\left(-3.9\right)^2+2\left(-3.9\right)-8}$

Step-by-step Solution

1

Multiply $2$ times $-3.9$

$\frac{4}{{\left(-3.9\right)}^2-7.8-8}$
2

Subtract the values $-7.8$ and $-8$

$\frac{4}{{\left(-3.9\right)}^2-15.8}$
3

Calculate the power ${\left(-3.9\right)}^2$

$\frac{4}{15.21-15.8}$
4

Subtract the values $15.21$ and $-15.8$

$\frac{4}{-0.59}$
5

Divide $4$ by $-0.59$

$-6.7797$

Final answer to the exercise

$-6.7797$

Try other ways to solve this exercise

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Main Topic: Division of Numbers

The terms involved in a division are called, D, the dividend and, d, the divisor. The result, c, is the quotient.

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