Solve by factorisation: x(10x – 13)= 3

Solve by factorisation:

x(10x – 13)= 3

x(10x – 13)= 3
10x²-13x = 3
10x²-13x – 3 = 0
10x²-15x+2x-3=0
5x(2x-3) +1(2x-3) =0
(5x+1) (2x-3) =0
5x+1=0
5x=-1
x=-1/5

Atau

2x-3=0
2x=3
x=3/2

 

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