0
2x2 + 2x - 12 = 0; first factor out 2
2(x2 + x - 6) = 0; since -6 = 3(-2) and 3 + (-2) = 1 factor the trinomial such as
2(x + 3)(x - 2) = 0; let each factor equal to zero
x + 3 = 0; subtract 3 to both sides
x = -3
or
x - 2 = 0 ad 2 to both sides
x = 2
Thus, the solution set is {-3, 2}.
What else can I help you with?
How do you solve x squared minus x minus twelve by Euclid?
Without an "equals" word or sign somewhere, there is nothing to solve.You only have an expression, not an equation.
If x squared minus y squared equals 10 and x plus y equals 5 what is x minus y?
2
What minus twelve equals 3?
15
What are the solutions to x squared minus twelve x plus sixteen equals zero?
Quadratic formula gives roots as 1.53 and 10.47 (to nearest hundredth.)
In matrix multipliccation when does A plus B times A minus B equals A squared minus B squared?
All the time
When you subtract 2 square numbers the answer is twelve?
4 squared minus 2 squared equals 12
How do you solve x squared minus x minus twelve by Euclid?
Without an "equals" word or sign somewhere, there is nothing to solve.You only have an expression, not an equation.
If x squared minus y squared equals 10 and x plus y equals 5 what is x minus y?
2
What minus twelve equals 3?
15
Three squared minus 2 squared equals?
It is: 9-4 = 5
What are the solutions to x squared minus twelve x plus sixteen equals zero?
Quadratic formula gives roots as 1.53 and 10.47 (to nearest hundredth.)
In matrix multipliccation when does A plus B times A minus B equals A squared minus B squared?
All the time
What minus twelve equals negative three?
9
how to factor the problem a cubed minus two a squared plus six a minus twelve?
(a - 2)(a^2 + 6)
Five squared minus ten equals x?
15.
What is 18x squared minus 9x minus 14 equals 0?
x = -2/3,7/6
How do you do pythagorean theorem when you have a and c?
B squared equals c squared minus a squared then to find B take the square root of you answer for b squared
