3 years ago

Which expression is equivalent to 15x – 2(3x + 6)?

Mathematics

1 answer:

lakkis [162]3 years ago

5 0

Answer:

35x+12

Step-by-step explanation:

1. You combine like terms. (15x *3x=35x)

2.You Multiply other terms (2*6= 12)

3. Answer: 35x+12

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Let b be a number such that (2b+5)(b-1)=6b. What is the largest possible value of b? Express your answer as a common fraction.

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Answer:

Foil the expression and solve the derivative with respect to b at f'(x)=0 $2b^2+3b+5=6b\\d/dx(2b^2+9b+5=0)\\4b+9=0\\b=-9/4$