13. Factorise : 2x-7x-15 – InterviewSolution

1.	13. Factorise : 2x-7x-15
Answer» 2x^2-(10-3)x-15=02x^2-10x+3x-15= 02x(x-5)+3(x-5)=0(2x+3)(x-5)=0x= 5 and x= -3/2are the zeros of this quadratic

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