3 years ago

Factor completely. 3x^2+30x+75=

2 answers:

7 0

You write the problem as a mathematical expression
3x^2 + 30x + 75 =
Factor: 3 out of 3x^2 + 30x + 75.

3 (x2 + 10x + 25)

Factor using the perfect square rule.
And then your answer should be 3 ( x + 5) ^2

Katen [24]3 years ago

6 0

Answer:

3(x+5)(x+5)

Step-by-step explanation:

Factor 3x^2+30x+75

3x^2+30x+75

=3(x+5)(x+5)

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makvit [3.9K]

Answer:

real numbers: all

rational: all but pi

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Step-by-step explanation:

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3 years ago

What is the rate of change of y=-4/9x+5

WARRIOR [948]

Answer:

Rate of change of y is $- \frac{4}{9}$

Step-by-step explanation:

$y = - \frac{4}{9} x + 5 \\ \\ differentiating \: with \: respect \: to \: x \\ \\ \frac{dy}{dx} = - \frac{4}{9} \frac{d}{dx} x + \frac{d}{dx} 5 \\ \\ \frac{dy}{dx} = - \frac{4}{9} .1 + 0 \\ \\ \huge \red{\frac{dy}{dx} = - \frac{4}{9} } \\ \\ rate \: of \: change \: of \: y =- \frac{4}{9}$