Please Factorise this question it's very tough!!!! 6a²-a-15
dramaking:
it"s factors are 2/3 and 3/5
Answers
Answered by
12
6a^2-a-15
=6a^2-10a+9a-15
=2a(3a-5)+3(3a-5)
=(3a-5)(2a+3) So, 3a-5=0. 2a+3=0 3a=5. 2a=-3 a=5/3. a=-3/2
=6a^2-10a+9a-15
=2a(3a-5)+3(3a-5)
=(3a-5)(2a+3) So, 3a-5=0. 2a+3=0 3a=5. 2a=-3 a=5/3. a=-3/2
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Answered by
5
Here we are going to use middle term split. First coefficient of First no. will be multiplied with last. Then answer will see if the answer. Then u can factorise it.
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