Question 947198


the equation in the form {{{ax^2 + bx + c = 0}}}:

{{{7-3x^2=(x+2)^2-6}}}

{{{7-3x^2=x^2+2x+4-6}}}

{{{7-3x^2+3x^2=x^2+3x^2+2x-2}}}

{{{7=4x^2+2x-2}}}

{{{7-7=4x^2+2x-2-7}}}

{{{0=4x^2+2x-9}}}

or {{{4x^2+2x-9=0}}}