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PIT_PIT [208]
3 years ago
12

I will give brainiest.

Mathematics
1 answer:
kolezko [41]3 years ago
7 0

Answer:

the third one is the answer

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Inverse of f(x)=5x+4
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Which of the following would appear in the Credits column of a bank
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4 years ago
What are the solutions of the equation (x 2)2 – 2(x 2) – 15 = 0? use u substitution to solve. x = –7 and x = 1 x = –5 and x = 3
Vitek1552 [10]

The solutions to the equation \rm (x + 2)^{2} - 2(x + 2) - 15 = 0 are 3 and -5.

<h3>What is the solution to the equation?</h3>

To solve any equation is to find the solution of the given equation which satisfied the equation.

The given expression is \rm (x + 2)^{2} - 2(x + 2) - 15 = 0

let u = (x +2)

then the equation becomes

\rm u^{2} - 2u - 15 = 0

by factorizing, we get

(u + 3)(u - 5) = 0

u + 3 = 0, u = -3

u - 5 = 0, u = 5

Since, u = x + 2

So, x + 2 = 5, x = 3

x + 2 = -3, x = -5

Therefore, the solutions to the equation are 3 and -5.

Learn more about the solution of the equation ;

brainly.com/question/545403

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2 years ago
A cube has a side length of 16 in. Use the formula S = 6s squared to find the area/surface.
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