What is (-21y^3)/(-3y^2) ?

The solution to (-21y^3)/(-3y^2) is 7y

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simplify (-21y^3)/(-3y^2)

simplify

\frac{- 21 y ^{3}}{- 3 y ^{2}}

7 y

Solution steps

\frac{- 21 y ^{3}}{- 3 y ^{2}}

Apply the fraction rule:

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

= \frac{21 y ^{3}}{3 y ^{2}}

Factor the number:

21 = 3 \cdot 7

= \frac{3 \cdot 7 y ^{3}}{3 y ^{2}}

Cancel the common factor:

3

= \frac{7 y ^{3}}{y ^{2}}

Simplify

\frac{y ^{3}}{y ^{2}} : y

= 7 y

(m^{c})^{1}

(x^{2} + 4 x + 3) (2 x^{2} - 9 x + 7)

\frac{1}{cos ^{2} ( x )} + \frac{1}{sin ^{2} ( x )}

\frac{( 1 + sin ( a ) )}{( 1 - sin ( a ) )}

\frac{sin ( x )}{sin ( \frac{x}{2} )}