Question

(ii) 3y² - 6 - 2y + y² - 3y + 7 - y² - 4y - Y²+5​

Answer 1

Answer:

$3y^2 - 6 - 2y + y^2 - 3y + 7 - y^2 - 4y - Y^2+5\\\\2y^2 - 9y +6$

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Answer 2

Answer:

y = 9 + √33 ÷ 4 (or ) 9 - √33 ÷ 4

Step-by-step explanation:

= 3y² - 6 - 2y + y² - 3y + 7 - y² - 4y - y² + 5

= 3y² + y² - y² - y² - 2y - 3y - 4y - 6 + 7 + 5

= 4y² - 2y² - 9y + 6

= 2y² - 9y + 6

b = -9 a = 2 c = 6

b² - 4ac = 81 - 4(2)(6)

= 81 - 48

= 33

$y = \frac{9 + \sqrt{33} }{4}$

( or )

$y = \frac{9 - \sqrt{33} }{4}$

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