3 years ago

Solve for x in the equation x squared + 2 x + 1 = 17.

Mathematics

1 answer:

lbvjy [14]3 years ago

7 0

Answer:

Step-by-step explanation:

x^2 + 2x + 1 = 17

x^2 + 2x = 17 - 1

x^2 + 2x = 16

x^2 + 2x + 1 = 16 + 1

(x + 1)(x + 1) = 17

(x + 1)^2 = 17

x + 1 = sqrt 17

x = -1 (+ - ) sqrt 17

x = -1 + sqrt 17 or x = -1 - sqrt 17 <===

You might be interested in

Please help me (not a test question)

lara [203]

Answer:

Yes

Step-by-step explanation:

4 x 3 = 12

5 x 3 = 15

4 0

2 years ago

Read 2 more answers

Provide a counterexample for the proposition: If n > 3 then n> 5.

MariettaO [177]

Answer:

Your answer would be C: 4

Step-by-step explanation:

Well, I mean, 4 is greater than 3, but is less than 5. Which proves the n > 5 part wrong.

3 0

2 years ago

(5x10^7)(6x10^4) in scientific notation

Ratling [72]

Answer:

(5 x 10^7)(6 x 10^4)= 3 x 10^12 is the answer in scientific notation

Step-by-step explanation:

5 0

2 years ago

I Forgot All About Area and Perimeter Can Anybody Help Please?

Zinaida [17]

So you would multiply the length times width!

7 0

2 years ago

Read 2 more answers

Yuuma applied the steps below to find the product of (–10.2)(–16.4).

goblinko [34]

Answer:

164+3.28

Step-by-step explanation:

(16.4)(10)+(16.4)(0.2)

164+3.28

167.28

4 0

2 years ago