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alina1380 [7]
3 years ago
5

Factoring trinomials????x^2+8x+15

Mathematics
2 answers:
DiKsa [7]3 years ago
6 0
X^2+8x+15

= x^2 + 5x + 3x + 15

= x(x+5) + 3(x+5)

= (x+5)(x+3)
Scilla [17]3 years ago
4 0

You nee 2 numbers whose sum is +8 and whose product is +15.

That is 3 and 5.

so the answer is (x + 3)(x + 5)

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3 years ago
Which if the following is the equation of a line that passes through the points (2,5) and (4,3)
Taya2010 [7]
Hi there!

First, let's find the slope of the two points using the slope formula (y2 - y1 / x2 - x1).

S = 4 - 2 / 3 - 5
S = 2 / -2
S = -1

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(2,5)
y - 5 = -1(x - 2)
y - 5 = -x + 2
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(4,3)
y - 3 = -1(x - 4)
y - 3 = -x + 4
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The two equations came out the same! Which is completely okay, and happens sometimes. 

Hope this helps!! :)
If there's anything else that you're needing help with, don't be afraid to reach out!


3 0
3 years ago
What is the slope of the line?
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