Question

solve this qudratic equation by completing the square method 4x square + x - 3​

Answer 1

4$x^{2}$+x-3=0

(2x)^2+4x/4+1/4+1/4-3=0

2x^2+1/2^2+2x/2-3=0

(2x+1/2)^2-3=0

2x+1/2=0  or    2x-1/2=0

2x=-1/2     or    2x=1/2

x=-1/4       or     x=1/4