3 years ago

What are the solutions to the equationx^2+14x=-130please do a step by step

Mathematics

1 answer:

Serjik [45]3 years ago

5 0

Answer:

The answer to your question is: x1 = - 7 + 9i x2 = -7 - 9i

Step-by-step explanation:

x² + 14x = - 130

x² + 14x + (7)² = -130 + (7)²

(x + 7)² = -81

x + 7 = ± √-81

i² = -1, then x + 7 = ±√ 81i²

x + 7 = ± 9i

x1 = -7 + 9i x2 = -7 - 9i

You might be interested in

Does anyone know how to solve (2 Times x) + 5 =31

Anika [276]

X = 13 hope it helped

8 0

3 years ago

Read 2 more answers

Unit 3 Exam

lbvjy [14]

Answer:

Scalene is the right option.

Step-by-step explanation:

A scalene triangle has all its sides of different lengths.

6 0

3 years ago

Keith exercises x hours a week. Troy exercises three hours less than Keith and Joe exercises two times more than Troy. Which exp

muminat

If you would like to know which expression represents the amount of time Joe exercises, you can calculate this using the following steps:

Keith ... x hours a week
Troy ... three hours less than Keith: x - 3
Joe ... two times more than Troy: 2 * (x - 3)

The correct result would be D) 2 * (x - 3).

7 0

2 years ago

Read 2 more answers

LIKE I ACTUALLY NEED HELP THIS IS LITERAL TESTING NOT NO QUIZ.

Mekhanik [1.2K]

Answer:

2 because if x=0 y=1 and 2 is closest so a and b

4 0

2 years ago

What is the area of a rectangular holding pond with length 8/15 mile and width 1/6 mile?

SSSSS [86.1K]

as you already know, the area of a rectangle is just length*width, so is just the product of those two.