factorise 10ab-4a+5b-2
Answers
Answered by
1
Step-by-step explanation:
10ab - 4a + 5b - 2
=10ab + 5b - 4a - 2
=5b(2a + 1) -2(2a + 1)
=(2a + 1)(5b - 2)
Answered by
1
Answer:
10ab-4a+5b-2
= (10ab+ 4a) + (5b-2)
= 2a (5b+2) +1 (5b+2)
taking(5b+2) as common
(5b+2) (2a+1)
Step-by-step explanation:
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