What is factor 3a^2-4ab-20b^2 ?

The solution to factor 3a^2-4ab-20b^2 is (a+2b)(3a-10b)

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factor 3a^2-4ab-20b^2

factor

3 a^{2} - 4 ab - 20 b^{2}

(a + 2 b) (3 a - 10 b)

Solution steps

3 a^{2} - 4 ab - 20 b^{2}

Break the expression into groups

= (3 a^{2} + 6 ab) + (- 10 ab - 20 b^{2})

Factor out

3 a

from

3 a^{2} + 6 ab : 3 a (a + 2 b)

Factor out

- 10 b

from

- 10 ab - 20 b^{2} : - 10 b (a + 2 b)

= 3 a (a + 2 b) - 10 b (a + 2 b)

Factor out common term

a + 2 b

= (a + 2 b) (3 a - 10 b)

4 c^{2} - 9 d^{2}

\frac{r}{2} > 2

\frac{7 ^{2}}{7 ^{2} - 4} - \frac{1}{7 - 2}

\frac{4}{17} x = 16

3 x^{2} - 5 x

What is factor 3a^2-4ab-20b^2 ?
The solution to factor 3a^2-4ab-20b^2 is (a+2b)(3a-10b)