Question 298010
{{{(2x+3)^1.8=250}}}
{{{(2x+3)(.8(2x+3))=250}}}
{{{(2x+3)(1.6x+2.4)=250}}}
{{{(3.2x^2+4.8x+4.8x+7.2)=250}}}
{{{(3.2x^2+9.6x+7.2)=250}}}
{{{3.2x^2+9.6x-242.8=0}}}
{{{3.2(x^2+3x-75.875)=0}}}use quadratic formula
*[invoke quadratic "x", 1, 3, -75.875]
hmmm looking at this after i posted seems to be something wrong i would check with someone else sorry