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Solve x2 plus 2x - 13 equals 2?
x2 + 2x - 13 = 2 x2 + 2x - 15 = 0 (x + 5)(x - 3) = 0 x + 5 = 0 and x - 3 = 0 so x = -5 and x = 3
X squared plus 2x - 15 equals 0?
x2 + 2x - 15 = 0(x + 5) (x - 3) = 0x = -5x = +3
What is equal to the rational expression when x 5 or negative 3 x2 plus x-6 over x2-2x-15?
When x = -3
X2 - 2x - 5 equals 0?
x2 - 2x - 5 = 0 x2 - 2x + 1 = 6 (x - 1)2 = 6 x - 1 = ± √6 x = 1 ± √6
What is 2x to the power of 2 minus x to the power of 2?
The question is ambiguous and two possible answers are given below: 2x2 - x2 = x2 or (2x)2 - x2 = 4x2 - x2 = 3x2
What is x2 2x-15?
x2+2x-15
What is x2 plus 2x-15 equals?
x2 + 2x - 15 = (x - 3)(x + 5)
What is the factor of X2 plus 2x-15?
x2 + 2x - 15 = (x + 5)(x - 3)
What is the factor of equals X2-2x-15?
x2-2x-15 = (x+3)(x-5) when factored
Factor the trinomial x2 2x - 15?
If the expression is, x2 + 2x - 15 this has factors of (x + 5)(x - 3). If the expression is, x2 - 2x - 15 then the factors are (x - 5)(x + 3)
Which expression is a factor of x2 plus 2x-15?
x2+2x-15 = (x+5)(x-3) when factored
What is fifteen less than the square of a number is the same as twice the numberfind the number?
x2 - 15 = 2x x2 - 2x - 15 = 0 x2 - 2x - 15 = (x - 5)(x + 3) x = 5, -3
Which graph of the solution for the quadratic inquality x2-2x less than or equal to 15?
x2-2x = 15 x2-2x-15 = 0 (x-5)(x+3) = 0 Therefore: x = 5 or x = -3
Which equation has roots of 3and 5?
x2 - 2x - 15 = 0
What is one of the factors of x2 - 2x -15?
If that's - 2x - 15, the answer is either (x - 5) or (x + 3)
How do you factorise x squared plus 2x - 15?
17
What is x2 plus 2x plus 15 divided by x-3?
(x2 + 2x + 15)/(x - 3) = x + 5 + 30/(x - 3) where x ≠3
