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rjkz [21]
2 years ago
9

(x+6)(x+4)(x-3) expand and simplify

Mathematics
2 answers:
marin [14]2 years ago
5 0

Answer:

Step-by-step explanation:

(x+6)(x+4)(x-3)

= [(x+6)(x+4)](x-3)

= (x² + 4x + 6x + 24)(x - 3)

= (x² +10x + 24)(x - 3)

= x³ - 3x² + 10x² - 30x + 24x - 72

= x³ + 7x² - 6x - 72

masha68 [24]2 years ago
4 0

Answer:

x^3 +7x^2 - 6x - 72.

Step-by-step explanation:

(x + 6)(x + 4)(x - 3)

= (x + 6)[x(x - 3) + 4(x - 3)]

= (x + 6)(x^2 - 3x + 4x - 12)

= (x + 6)(x^2 + x - 12)

= x(x^2 + x - 12) + 6(x^2 + x - 12)

= x^3 + x^2 - 12x + 6x^2+ 6x - 72

= x^3 +7x^2 - 6x - 72.

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Solve the system using elimination.<br><br> 2x + 3y = 17<br> x + 5y = 19
ale4655 [162]

\left\{\begin{array}{ccc}2x+3y=17\\x+5y=19&|\text{multiply both sides by (-2)}\end{array}\right\\\underline{+\left\{\begin{array}{ccc}2x+3y=17\\-2x-10y=-38\end{array}\right}\qquad\text{add both sides of equations}\\.\qquad\qquad-7y=-21\qquad\text{divide both sides by (-7)}\\.\qquad\qquad \boxed{y=3}\\\\\\\text{Substitute the value of y to the second equation}\\\\x+5(3)=19\\\\x=15=19\qquad\text{subtract 15 from both sides}\\\\\boxed{x=4}\\\\Answer:\ x=4\ and\ y=3.

5 0
3 years ago
Math help please? There are 12 more toy cars than toy trucks in a box with a total of 38 toy cars and toy trucks. How many toy t
dlinn [17]
Let, the number of toy trucks = x
Then, number of toy cars = (x + 12)

Now, we have: x + x+12 = 38
2x + 12 = 38
2x = 38 - 12
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x = 26/2
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So, there are 13 toy trucks in total.

Hope this helps!
7 0
2 years ago
Please help solve for X
Alexxx [7]
The answer to this is
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3 0
2 years ago
When evaluating (6.28x10^12)/(3.14x10^4) what will be the exponent of 10 in the quotient?
alexdok [17]
2*10^8
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hope this helps!
4 0
3 years ago
Read 2 more answers
Please answer
SVEN [57.7K]

From the calculation done below, it can be seen that the cost of one orange is 85 cents.

<h3>How do we determine the cost of a product?</h3>

The cost of one orange can be determined as follows:

One dime = 10 cents

2 dollars = 200 cents

Total amount given by Sue to the store clerk = One dime + 2 dollars = 10 cents + 200 cents = 210 cents

Cost of two oranges = Total amount given by Sue to the store clerk –

Change = 210 cents – 40 cents = 170 cents

Cost of one orange = Cost of two oranges / 2 = 170 cents / 2 = 85 cents

Learn more about cost here: brainly.com/question/14844899.

#SPJ1

7 0
1 year ago
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