Simplify Combining like Terms: (3 Y2 + 5y − 4) − (8y − Y2 − 4)

Simplify combining like terms: (3y² + 5y - 4) - (8y - y² - 4)

(3y² + 5y - 4) - (8y - y² - 4)

= 3y² + 5y - 4 - 8y + y² + 4

= 3y² + y² + 5y - 8y - 4 + 4

= y² (3 + 1) + y(5 - 8) + 4 (1 - 1)

= 4y² - 3y

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