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Trava [24]
4 years ago
6

Simplify the question -3. (6+4.6+7

Mathematics
2 answers:
VikaD [51]4 years ago
8 0
-3(6+4*6+7)
-3(10*13)
-3*130
-390 is the answer.....


If it helps you plzz brainliest me
BabaBlast [244]4 years ago
4 0
Hola, qué tal tu día
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Which algebraic expression is a polynomial?
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Step-by-step explanation:

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3 years ago
What is a cubic polynomial function with zeros 3,3 and -3? show your work.​
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Answer:

Cubic polynomial function with zeros 3,3 and -3 is \mathbf{x^3-3x^2-9x+27=0}

Step-by-step explanation:

We need to find a cubic polynomial function with zeros 3,3 and -3.

If zeros of polynomial are: 3,3,and -3

we can write:

x=3, x=3, x=-3

Or

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x-3=0, x-3=0, x+3=0

Now, we can write them as:

(x-3)(x-3)(x+3)=0

Multiplying the terms, we can find the polynomial:

(x-3)(x-3)(x+3)=0\\(x(x-3)-3(x-3))(x+3)=0\\(x^2-3x-3x+9)(x+3)=0\\(x^2-6x+9)(x+3)=0\\x(x^2-6x+9)+3(x^2-6x+9)=0\\x^3-6x^2+9x+3x^2-18x+27=0\\x^3-6x^2+3x^2+9x-18x+27=0\\x^3-3x^2-9x+27=0

So, cubic polynomial function with zeros 3,3 and -3 is \mathbf{x^3-3x^2-9x+27=0}

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