What is ((1.99)^2-4)/(1.99-2) ?

The solution to ((1.99)^2-4)/(1.99-2) is 3.99

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simplify ((1.99)^2-4)/(1.99-2)

simplify

\frac{( 1.99 ) ^{2} - 4}{1.99 - 2}

3.99

Solution steps

\frac{1.9 9 ^{2} - 4}{1.99 - 2}

Factor

1.9 9^{2} - 4 : (1.99 + 2) (1.99 - 2)

= \frac{( 1.99 + 2 ) ( 1.99 - 2 )}{1.99 - 2}

\frac{( 1.99 + 2 ) ( 1.99 - 2 )}{1.99 - 2} = \frac{3.99 ( - 0.01 )}{- 0.01}

= \frac{3.99 ( - 0.01 )}{- 0.01}

Cancel the common factor:

- 0.01

= 3.99

(x + 1)^{2} + 2

3. 4^{3}

\frac{7}{9} - \frac{2}{5}

(2 x^{3} - 3 y^{2})^{3}

300 - 27