factorize the following by splitting the middle term: a) 6x^2-16x-21 b) 12x^2+7x-12 c) 8a^2-6ab-9b^2
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Factorise by splitting middle terms;
b)12x^2+7x-12
12x^2+16x-9x-12
4x(3x+4)-3(3x+4)
(4x-3)(3x+4)
c)8a^2-6ab-9b^2
8a-12ab+6ab-9b^2
4a(2a-3b)+3b(2a-3b)
(4a+3b)(2a-3b) Ans.
siddharthnigamfan:
but (a)
thank you
I asked some more question so please answer if you know
okk
(a) don't know
ok
thank you
but i am trying to solve that one too
please also look at another question
Answered by
1
Answer:
Factorise by splitting middle terms;
b)12x^2+7x-12
12x^2+16x-9x-12
4x(3x+4)-3(3x+4)
(4x-3)(3x+4)
c)8a^2-6ab-9b^2
8a-12ab+6ab-9b^2
4a(2a-3b)+3b(2a-3b)
(4a+3b)(2a-3b) Ans.
Step-by-step explanation:
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