Solve the quadratic equation by factorisation method
x^2 - 3x/10-1/10 = 0
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x^2-3x/10-7/10=0
(10x^2-3x-7)/10=0
10x^2-3x-7=0×7=0
10x^2-(10-7)x-7=0
10x^2-10x+7x-7=0
10x(x-1)+7(x-1)
(10x+7)(x-1)
x=7/10
x=1
(10x^2-3x-7)/10=0
10x^2-3x-7=0×7=0
10x^2-(10-7)x-7=0
10x^2-10x+7x-7=0
10x(x-1)+7(x-1)
(10x+7)(x-1)
x=7/10
x=1
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