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11Alexandr11 [23.1K]
4 years ago
12

What is 3x² + 3x - 36 and x² - 3x - 28 in factored form?

Mathematics
2 answers:
antiseptic1488 [7]4 years ago
7 0

Answer:

(x+4)(x-7)

Step-by-step explanation:

satela [25.4K]4 years ago
3 0

Answer:

3x² + 3x - 36=

(3x+12)(x-3)

x² - 3x - 28=

(x+4)(x-7)

Step-by-step explanation:

For both equations use the method called the "Cross Method". It is useful for these type of factorisation questions called "Trinomials".

For more info on the cross method.

Here it is:

https://www.mathsteacher.com.au/year10/ch10_factorisation/05_cross_mult_method/cross.htm

Hope you enjoyed :D

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Step-by-step explanation:

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An unused roll of paper towels is shown. What is the volume of the unused roll?
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Step-by-step explanation:

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3 years ago
Two sides of a triangle measure 8 centimeters and 13 centimeters which of the following could not be the length of the third sid
SOVA2 [1]
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3 years ago
At the start of the month, the value of an investment was $73.42. By the end of the month, the value of the investment changed b
Aleonysh [2.5K]

Answer:

0.8%.

Step-by-step explanation:

Given:

At the start of the month, the value of an investment was $73.42.

By the end of the month, the value of the investment changed by a loss of $13.53.

Question asked:

What was the value, in dollars, of the investment at the end of the month?

What was the percent loss?

Solution:

At the start of the month, the value of an investment = $73.42.

Loss = $13.53.

<u><em>The value, of the investment at the end of the month = The value of an investment at the start of the month - loss</em></u>

The value, of the investment at the end of the month = $73.42 - $13.53

                                                                                         = $59.89

Thus, the value, of the investment at the end of the month is $59.89.

Now, we will find percent loss:-

Percent\ loss = \frac{Loss}{value\ of \ investment\ at \ start}

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3 years ago
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