Question

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If A=2y² -6- 3y, B=y² - 4y + 7 and C= y² -5y +3, find A+2B+2C

Answer 1

Answer:

A=2y² -6- 3y, B=y² - 4y + 7 and C= y² -5y +3, find A+2B+2C

Step-by-step explanation:

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Answer 2

Answer:

6y²-21y+14

Step-by-step explanation:

A+2B+2C

= 2y²-6-3y +2(y²-4y+7) +2(y²-5y+3)

= 2y²+2y²+2y²-3y-8y-10y-6+14+6

= 6y²-21y+14