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ziro4ka [17]
3 years ago
8

I need help with my math! It is Rules of exponents. Can anyone help me?

Mathematics
1 answer:
Rasek [7]3 years ago
3 0
Take a better picture for me
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1.find the sum. (3^3+5x^2+3x-7)+(8x-6x^2+6)<br> 2. Find the Difference: (8x-4x^2+3\)-(x^3+7x^2+3x-8)
vlada-n [284]

1.

(3^3+5x^2+3x-7)+(8x-6x^2+6)=\\\\=27\ \underline{+\,5x^2}\ \underline{ \underline{+\,3x}}-7\ \underline{\underline{\,+8x}}\ \underline{-\,6x^2}+6=\\\\=-x^2+11x+26

or if you mean (3x^3+5x^2+3x-7)+(8x-6x^2+6):

(3x^3+5x^2+3x-7)+(8x-6x^2+6)=\\\\=3x^3\ \underline{+\,5x^2}\ \underline{ \underline{+\,3x}}-7\ \underline{\underline{\,+8x}}\ \underline{-\,6x^2}+6=\\\\=3x^3-x^2+11x-1

2.

(8x-4x^2+3)-(x^3+7x^2+3x-8)=\\\\=\underline{8x}\ \underline{\underline{-\ 4x^2}}+3-x^3\ \underline{\underline{-\,7x^2}}\ \underline{-\,3x}+8=\\\\=-x^3-11x^2+5x+10

3 0
3 years ago
Can someone please help me with this problem?
Bumek [7]

Answer:

f'(1) = 2

Step-by-step explanation:

f(x) = 2x^2 -2x +3

Take the derivative

f'(x) = 2 * 2x - 2 * 1

f'(x) = 4x -2

f'(1) = 4(1) -2

      =4-2

       =2

4 0
3 years ago
the sum of three times a number and 2 less than 4 times the same number is 15. which of the following equations could be used to
Ulleksa [173]
To solve for a number x,

3x+4x-2=15
7x-2=15
7x=17
x=2 3/7
or x=~2.43

was one of your answer choices either of the first two equations?
4 0
3 years ago
URGENT!!
Vikentia [17]

Answer:

7 x p = 70

Step-by-step explanation:

7 vehicles times some number of people in each one equals 70 people in all

4 0
2 years ago
Identify the values of a, b, and c that would be used in the quadratic formula to solve the equation <img src="https://tex.z-dn.
TiliK225 [7]
Hey!
b is the coefficient of x, so b= -5
a is the coefficient of x^2, so a=3
c is the constant term. So c = 5

Hope it Helped☺
6 0
3 years ago
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