1.

Factorise:-2x square-23x+30=0

Answer» 2X^2 - 23x + 30 = 0

=> 2x^2 - 20x - 3x + 30 = 0

=> 2x(X - 10) - 3(x-10) = 0

=> (2x - 3)(x - 10) = 0

x = 10 and 3/2


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