What is (-3.9^2-16)/(-3.9+4) ?

The solution to (-3.9^2-16)/(-3.9+4) is -312.1

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simplify (-3.9^2-16)/(-3.9+4)

simplify

\frac{- 3. 9 ^{2} - 16}{- 3.9 + 4}

- 312.1

Solution steps

\frac{- 3. 9 ^{2} - 16}{- 3.9 + 4}

- 3. 9^{2} - 16 = - 31.21

= \frac{- 31.21}{- 3.9 + 4}

Add/Subtract the numbers:

- 3.9 + 4 = 0.1

= \frac{- 31.21}{0.1}

Apply the fraction rule:

\frac{- a}{b} = - \frac{a}{b}

= - \frac{31.21}{0.1}

Divide the numbers:

\frac{31.21}{0.1} = 312.1

= - 312.1

\frac{16}{625}

1 - tan^{4} (x)

f (x) - 4

- 3 mn (m^{2} n^{3} + 2 mn)

6 \frac{1}{4} \div 4 \frac{1}{2}