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lesya [120]
4 years ago
9

Please provide answer and explanation !!

Mathematics
1 answer:
Nastasia [14]4 years ago
7 0

Answer:

Step-by-step explanation:

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Plot the value(s) on the number line where this function is equal to zero: f(x) = (x + 5)(x − 1).
Nadya [2.5K]

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2x^2

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8 0
3 years ago
(x−7)2−25=0<br><br> smaller x =<br> larger x =
nexus9112 [7]

Remark

Are you sure you don't mean that (x - 7) is squared? The way you have written it indicates that it is squared. I'll treat it that way and you can leave a not if I am wrong.

Solution

(x - 7)^2 - 25 = 0                 Add 25 to both sides

(x - 7)^2 - 25 + 25 = 25      Combine the left

(x - 7)^2 = 25                       Take the square root of both sides.

sqrt(x - 7)^2 = sqrt(25)

x - 7 = +/-   5                        Add 7 to both sides

x = 7 +/- 5

=========

x1 = 7 + 5

x1 = 12

x2 = 7 - 5

x2 = 2

Smallest x = 2

Largest x = 12

 

7 0
3 years ago
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