factorise 9y^2-58y+49
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Answer:
(y - 1)(9y - 49)
Step-by-step explanation:
9y² - 58y + 49
= 9y² - 49y-9y + 49 [splitting middle term]
= y(9y - 49) - (9y - 49)
= (y - 1)(9y - 49) (taking common)
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