Answer :


=


=


= 15(x2 + x2 + 2x + 1) = 34(x2 + x)


= 15(2x2 + 2x + 1) = 34(x2 + x)


= 30x2 + 30x + 15 = 34x2 + 34x


= 34x2 + 34x – 30x2 –30x – 15 =0


= 4x2 – 4x – 15 = 0


= 4x2 – 10x + 6x – 15 = 0


= 2x(2x – 5) + 3(2x – 5) = 0


= (2x + 3) (2x – 5) = 0


2x + 3 =0 or 2x – 5 = 0


2x = –3 or 2x = 5


or x =


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