0
x2 = 81
Square root both sides:-
x = +/- 9
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∙ 13y ago
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How do you solve x2 81 equals 0?
x: x2 - 81 = 0
How many real solutions are there for the equation x2 plus 3x plus 5 equals 0?
There are no real solutions because the discriminant of the quadratic equation is less than zero.
What is the discriminant for x2-4x-5 equals 0?
The discriminant is 36 which means the quadratic equation has two solutions which are 5 and -1
What are the solutions for the quadratic equation x2 minus 21x equals 72?
x2 - 21x = 72x2 - 21x - 72 = 0(x - 24) (x + 3) = 0x = 24x = -3
What quadratic equation has solutions of 5 and 7?
x2 - 12x + 35
Which of the numbers are solutions to the equation x2 equals 3?
If: x2 = 3 Then: x = square root of 3
Which of the numbers below are solutions to the equation x2 equals -36?
38
Which of the numbers listed below are solutions to the equation x2 equals 7?
tetas grandes
What is the set of solutions to the equation x2-4 equals 0?
x = 2 or -2
How many solutions are there for the equation x2 plus 16 equals 8x?
2 this Domo
How do you factor x2-4x-80 equals 0?
Use the quadratic equation formula to find the solutions to this equation.
What is the quadratic equation of x2 equals -11 using the complex number system?
13
What are solutions to the equation x2-3x-4 equals 0?
They are x = -1 and x = 4.
X2 plus 6x plus 9 equals 81?
x2 + 6x + 9 = 81 x2 + 6x = 72 x2 + 6x - 72 = 0 (x+12)(x-6) = 0 x= -12, 6 (two solutions)
How do you solve x2 81 equals 0?
x: x2 - 81 = 0
What are the solutions of x2 plus 7x plus 3 equals 0?
x2+7x+3 = 0 Using the quadratic equation formula the solutions are:- x = -6.541381265 or x = -0.4586187349
How many real solutions are there for the equation x2 plus 3x plus 5 equals 0?
There are no real solutions because the discriminant of the quadratic equation is less than zero.
