What is factor a^2-3ab-28b^2 ?

The solution to factor a^2-3ab-28b^2 is (a+4b)(a-7b)

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factor a^2-3ab-28b^2

factor

a^{2} - 3 ab - 28 b^{2}

(a + 4 b) (a - 7 b)

Solution steps

a^{2} - 3 ab - 28 b^{2}

Break the expression into groups

= (a^{2} + 4 ab) + (- 7 ab - 28 b^{2})

Factor out

a

from

a^{2} + 4 ab : a (a + 4 b)

Factor out

- 7 b

from

- 7 ab - 28 b^{2} : - 7 b (a + 4 b)

= a (a + 4 b) - 7 b (a + 4 b)

Factor out common term

a + 4 b

= (a + 4 b) (a - 7 b)

\frac{3}{4} + \frac{9}{8}

4 c - 0.37 c

5 x^{2} = 60 - 20 x

z^{4} = 289

1157

What is factor a^2-3ab-28b^2 ?
The solution to factor a^2-3ab-28b^2 is (a+4b)(a-7b)