Question

then simplify:
24.Factorise:
() y? - 7y + 6
(ii) 2x3 - 572 - 19x + 42
(iii) xº - 6x2 + 11x - 6
25. In a class, number of girls
girls is 10 more than the nu
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Answer 1

$\huge\bold{ANSWER~:}$

$(1) \\ \\ = {y}^{2} - 7y + 6 \\ \\ = {y}^{2} - 6y - y + 6 \\ \\ = y(y - 6) - 1(y - 6) \\ \\ = (y - 6)(y - 1)$

$(2) \\ \\ = 2 {x}^{3} - 572 - 19x + 42 \\ \\ = 2 {x}^{3} - 530 - 9x \\ \\ = 2 {x}^{3} - 9x - 530$