Ax^2 + Bx + C
x^2 + 7x + 12 = 0
(x + 3)(x + 4)
X^2 - 5x - 6 = 0
(x+1)(x-6)
X^2 - 5x + 6 = 0
(x-2)(x-3)
X^2 + 3x - 10 = 0
(x-2)(x+5)
X^2 + 8x + 15 = 0
(x+3)(x+5)
X^2 - 2x - 8 = 0
(x+2)(x-4)
X^2 - 6x + 5 = 0
(x-1)(x-5)
X^2 + 3x - 18 = 0
(x-3)(x+6)
X^2 + 8x + 12 = 0
(x+2)(x+6)
x^2 - 3x - 10 = 0
(x+2)(x-5)
X^2 - 7x + 12 = 0
(x-3)(x-4)
X^2 + 2x - 8 = 0
(x-2)(x+4)
X^2 + 9x + 20 = 0
(x+4)(x+5)
X^2 - 2x - 15 = 0
(x+3)(x-5)
X^2 - 7x + 10 = 0
(x-2)(x-5)
X^2 + 4x - 21 = 0
(x-4)(x+7)
What is the rule of thumb for a “ax^2 + bx + c” equation?
Both numbers are positive
What is the rule of thumb for a “ax^2 - bx - c” equation?
The smaller number is positive, the larger number is negative
What is the rule of thumb for a “ax^2 - bx + c” equation?
Bothe numbers are negative
What is the rule of thumb for a “ax^2 + bx - c” equation?
The smaller number is negative, the larger number is positive