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What is x2 2x-15?
x2+2x-15
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
How do you factorise x squared plus 2x - 15?
17
What is a polynomial equation of least degree for roots 3 and -5 and 1?
(x - 3)*(x + 5)*(x - 1) = 0 (x2 - 3x + 5x - 15)*(x - 1) = 0 (x2 + 2x - 15)*(x - 1) = 0 (x3 + 2x2 - 15x - x2 - 2x + 15) = 0 ie x3 + x2 - 17x + 15 = 0
What is x2 4x 4?
(x2+3x-4) (x-4)
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)
What is x2 2x 15?
If you mean x2 + 2x + 15: Then the answer would be that it's a quadratic expression with no factors. If you mean x2 - 2x + 15: Then it can be factored out to: (x - 5)(x + 3) If you mean x2 + 2x - 15: Then it can be factored out to: (x + 5)(x - 3)
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
What is the Factor x2 plus 2x 63?
x2+2x-63 = (x-7)(x+9) when factored
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
How do you factorise x squared plus 2x - 15?
17
