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3 years ago

8

Simplify -4b + (-9k) -6 - 3b + 12

1 answer:

Olenka [21]3 years ago

6 0

Answer:

-7b-9k+6

Step-by-step explanation:

-4b+(-9k)-6-3b+12

(-4b-3b)+(-9k)+(-6+12)

-7b+(-9k)+6

-7b-9k+6

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Answer:

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The extrme value of y is reached in -5

y = 3(-5+5)²-4= -4

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