Question

factorise 12a^2/b^2 +a/b -20
$12 \frac{ {a}^{2} }{ {b}^{2} } + \frac{a}{b} - 20$
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Answer 1

Answer:

sorry

Step-by-step explanation:

didn't know answer

Answer 2

Answer:

answer is (3a/b+4) (4a/b-5)

Step-by-step explanation:

explain = I'm writing answer

12a^2/b^2+ 16a/b - 15a/b -20

now take common

4a/b(3a/b+4) -5 ( 3a/b+4)

there is sign - 5 so i have added +4

again take common

(3a/b+4) (4a/b-5)