0
What are the solutions in completing the square x2 plus 6x equals 7?
Wiki User
∙ 12y ago
x2 + 6x = 7
⇒ x2 + 6x + 9 = 7 + 9
⇒ (x + 3)2 = 16
⇒ x + 3 = ±4
⇒ x = -7 or 1
Wiki User
∙ 12y ago
Add your answer:
Earn +20 pts
Solve by completing square 2x² - 6x plus 7 equals 0?
This quadratic equation has no solutions because the discriminant is less than zero.
How do you solve 8x2 plus 14x plus 5 equals 0 by completing the square?
Please do not remove this question from Inappropriate or split any alts from it. Thanks!
Solve x2 plus 18x plus 4 equals 0?
This quadratic equation which will have two solutions can be solved by completing the square or by using the quadratic equation formula.Completing the square:x2+18x+4 = 0(x+9)2+4 = 0(x+9)2+4-81 = 0(x+9)2 = 77x+9 = + or - the square root of 77x = -9 + or - the square root of 77If you're not too sure about the procedure of completing the square your maths tutor should be familiar with it.
How do you solve 2x squared plus x plus 2 equals 0 by completing the square?
It cannot be solved because the discriminant of the quadratic equation is less than zero
How do you solve 2x plus y equals 0 and 4x plus 2y equals 0?
many solutions
Solve by completing square 2x² - 6x plus 7 equals 0?
This quadratic equation has no solutions because the discriminant is less than zero.
How do you solve 8x2 plus 14x plus 5 equals 0 by completing the square?
Please do not remove this question from Inappropriate or split any alts from it. Thanks!
Solve x2 plus 18x plus 4 equals 0?
This quadratic equation which will have two solutions can be solved by completing the square or by using the quadratic equation formula.Completing the square:x2+18x+4 = 0(x+9)2+4 = 0(x+9)2+4-81 = 0(x+9)2 = 77x+9 = + or - the square root of 77x = -9 + or - the square root of 77If you're not too sure about the procedure of completing the square your maths tutor should be familiar with it.
How do you solve 2x squared plus x plus 2 equals 0 by completing the square?
It cannot be solved because the discriminant of the quadratic equation is less than zero
What is x2 -2x plus 2 equals 0?
It is a quadratic equation with no real roots or real solutions. In the complex domain, the solutions are 1 +/- i where i is the imaginary square root of -1.
What is the fifth step in solving the equation by completing the square 5x2-12x plus 4 equals 0?
x = 2 or x = 2/5
What is the nature of the solutions of the equation x2 plus 11 equals 0?
The two solutions are the conjugate complex numbers, +i*sqrt(11) and -i*sqrt(11), where i is the imaginary square root of -1.
What is the fifth step in solving the eqution by completing the square 3x2 plus 14x plus 8 equals 0?
3x2+14x+8 = 0 x = -2/3 or x = -4
How do you solve 2x plus y equals 0 and 4x plus 2y equals 0?
many solutions
How many positive integer solutions are there to the equation x plus y plus z equals 17?
There are 120 solutions.
Triangle plus triangle plus triangle equals square plus square equals hexagon what is its equivalent ni numbers?
24
9x4 plus 27x3 - 4x2 - 12x equals 0?
There are four solutions to 9x4 plus 27x3 - 4x2 - 12x equals 0. One of the solutions is x = -3.
