5 x square - 12 x + 4 equal to what
Answers
Answered by
2
Step-by-step explanation:
5x^2-12x+4
two nos whose product is 20(5×4) and sum -12
these -10&-2
factor =
as 5x^2-10x-2x+4
we can get factors
5x(x-2)-2(x-2)
5x-2=0
x-2=0
5x=2
x=0.4 or
x=2
as it is quadratic equation
Answered by
3
Step-by-step explanation:
5x^2 -12x +4 = 0
= 5x2 -10x -2x +4 = 0
= 5x(x-2) - 2(x-2) = 0
= (x-2) (5x - 2) = 0
= x = 2 or x = 2/5
x = 0.4
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