Which of the following is a solution of x2 + 5x = - 2?

5 plus or minus the square root of 33 divided by two.

5 plus or minus the square root of 17 divided by two

negative 5 plus or minus the square root of 33 divided by two.

negative 5 plus or minus the square root of 17 divided by two.

Question

Nash Hamilton

Mathematics

18 July, 19:46

Which of the following is a solution of x2 + 5x = - 2?

5 plus or minus the square root of 33 divided by two.

5 plus or minus the square root of 17 divided by two

negative 5 plus or minus the square root of 33 divided by two.

negative 5 plus or minus the square root of 17 divided by two.

+3

Answers (1)

Know the Answer?

Albert Mills · Answer 1

X^2 + 5x = - 2

x^2 + 5x + 2 = 0

x = - b (+-) sqrt (b^2 - 4ac) / 2a

a = 1, b = 5, and c = 2

x = - 5 (+-) sqrt (5^2 - 4 (1) (2)) / 2 (1)

x = - 5 (+-) sqrt (25 - 8) / 2

x = - 5 (+-) sqrt (17) / 2

answer is : negative 5 plus or minus the square root of 17 divided by 2

Which of the following is a solution of x2 + 5x = - 2?5 plus or minus the square root of 33 divided by two.5 plus or minus the square root of 17 divided by twonegative 5 plus or minus the square root of 33 divided by two.negative 5 plus or minus the square root of 17 divided by two.

Which of the following is a solution of x2 + 5x = - 2?

5 plus or minus the square root of 33 divided by two.

5 plus or minus the square root of 17 divided by two

negative 5 plus or minus the square root of 33 divided by two.

negative 5 plus or minus the square root of 17 divided by two.