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Factorise 15x^2-x-28 by quadratic formula |
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Answer» Answer: Factorise: 15X2 - X - 28 to... MATHS Factorise: 15x −x−28 December 26, 2019avatar Bablu Shalini SHARE ANSWER The GIVEN expression 15x 2 −x−28 can be factorised as follows: 15x 2 −x−28=15x 2 −21x+20x−28=3x(5x−7)+4(5x−7)=(3x+4)(5x−7) Hence, 15x 2 −x−28=(3x+4)(5x−7) |
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