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Masja [62]
3 years ago
13

Please give step by step explanation (2x + 3)(3x - 5)

Mathematics
2 answers:
Finger [1]3 years ago
7 0

Answer: 6^{2} - 19x + 15

Step-by-step explanation:

Expand

(2x−3)(3x−5)

using the FOIL Method.

2x(3x)+2x x -5 -3 (3x) -3 x -5

Simplify and combine like terms.

6^{2} - 19x + 15

Alika [10]3 years ago
5 0
Distribute:
2x(3x - 5) + 3(3x - 5)

6x^2 - 10x + 3(3x - 5)

6x^2 - 10x + 9x - 15


Combine Like Terms
6x^2 - x - 15

Solution
6x^2 - x - 15
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4 0
3 years ago
How would I solve for x?​
vaieri [72.5K]

Answer:

x = 65

Step-by-step explanation:

First, we calculate the unknown angle of the left triangle and right triangle:180 - 62 - 50 = 68

Unknown angle for left triangle⬆️

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Unknown angle for right triangle⬆️

Now we've calculated the two angles for the small triangle in the middle. So, we just have to calculate the top angle of the middle triangle:

180 - 68 - 47 = 65

The angle 65° and angle of x are vertical angle.(both are equal)

So... <u>x= 65°</u>

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8 0
3 years ago
What is the difference of 8 times a number r and 12?
lapo4ka [179]

Answer:

The difference of 8 times a number r and 12 is solved for a number r and is given by r=\frac{3}{2}

Step-by-step explanation:

Given problem is the difference of 8 times a number r and 12

It can be written as

(8\times r)-12

To simplify the above expression :

8r-12

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8r-12+12=0+12 ( using addition property of equality )

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r=\frac{3}{2}

Therefore r=\frac{3}{2}

Therefore the difference of 8 times a number r and 12 is solved for a number r and is given by r=\frac{3}{2}

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