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coolman5999alt
03.11.2020 •
Mathematics
Which numbers are solutions of h^2+4=8h−3?
Options:
1
3
5
7
Solved
Show answers
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Ответ:
1 and 7
Step-by-step explanation:
First, move all of the terms and numbers to the left side of the equation:
h² + 4 = 8h - 3
h² - 8h + 7 = 0
Now, factor the equation by finding 2 factors of 7 that add up to -8
These two factors will be -1 and -7
So, the factored form of the equation is (x - 1)(x - 7)
Then, set each factor to 0 and solve for x:
x - 1 = 0
x = 1
Second factor:
x - 7 = 0
x = 7
So, 1 and 7 are solutions of the equation.
Ответ:
1/4(d - 3) is how the coefficient of d is factored out.
What is left behind is 1 in front of the d. I still think the coefficient is 1/4. Because if you reverse what the distributive property has done, you get 1/4 in front of the d again.
The answer to your question is 1/4(d - 3) however.