Q35 of 137 Page 102

Factorize:

7y2 – 19y – 6

Given,


7y2 – 19y – 6


Now first find the numbers whose-


Sum = - 19 and


Product = - 6 × 7 = - 42


Required numbers are 21 and 2,


So we get;


7y2 – 19y – 6


= 7y2 – 21y + 2y – 6


= 7y(y – 3) + 2(y – 3)


= (y – 3)(7y + 2)


More from this chapter

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