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just olya [345]
3 years ago
12

5b2-10b-15 factor this

Mathematics
1 answer:
LUCKY_DIMON [66]3 years ago
7 0

Answer:

5(b - 3)(b + 1)

Step-by-step explanation:

take out a common factor of 5

= 5(b² - 2b - 3)

to factor the quadratic consider the factors of - 3 which sum to - 2

These are - 3 and + 1, thus

= 5(b - 3)(b + 1)


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What is the equation of the line that passes through the point (4,-4) and has a slope of -3?
zhuklara [117]

The equation of the line that passes through the point (4,-4) and has a slope of -3 is y = -3x + 8.

<h3>How to find the equation of a line?</h3>

The equation of a line can be represented in slope intercept form as follows:

y = mx + b

where

  • m = slope
  • b = y-intercept

Therefore, the equation of the line that passes through the point (4,-4) and has a slope of -3 can be found as follows;

m = -3

Hence,

y = -3x + b

using (4, -4) let's find the y-intercept.

-4 = -3(4) + b

-4  = - 12 + b

b = -4 + 12

b = 8

Therefore, the equation is y = -3x + 8

learn more on equation of a line here: brainly.com/question/29472392

#SPJ1

7 0
1 year ago
I really need help asap
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Https://us-static.z-dn.net/files/db5/3b4bed3bf73da55d58a77a133114bfca.jpeg

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