A factor of 2x2
-10x + 12 will be
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2x2 - 10x + 12 = 0
Roots: 3, 2
For ur info:
Root Pair: 5/2 ± 1/2
Factored: f(x) = 2(x - 3)(x - 2)
Discriminant: 4
Vertex: (2.5, -0.5)
Sum of Roots (-b/a): 5
Product of Roots (c/a): 6
For ur understanding:
The solution(s) to a quadratic equation can be calculated using the Quadratic Formula:
x = [ -b plus minus square root of (b^2-4ac) ] / 2a
The "±" means we need to do a plus AND a minus, so there are normally TWO solutions !
The part (b2 - 4ac) is called the "discriminant", because it can "discriminate" between the possible types of answer:
when it is positive, we get two real solutions,
when it is zero we get just ONE solution,
when it is negative we get complex solutions
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