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Quadratic equations for class X

  Quadratic equations questions for student Solve the following quadratic equation by factorisation 1) (X-4) (X+2) =0 2) (2x+3)(3x-7)=0 3) 4x²+5x=0 4) 9x²-3x-2=0 5) 6x²-x-2=0 6) 6x²+11x+3=0 7) 10x-1/x=3 8) 4√3x²+5x-2√3=0 9) 25x(x+1)=-4 10) 2/x²-5/x+2=0 How to solve it