Question 877979
{{{4x^5-(1/9)x^4=4(3)^5-(1/9)(3)^4}}}
{{{4x^5-(1/9)x^4=4(243)-(1/9)(81)}}}
{{{4x^5-(1/9)x^4=972-9}}}
{{{4x^5-(1/9)x^4=963}}}
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{{{4x^5-(1/9)x^4=4(-3)^5-(1/9)(-3)^4}}}
{{{4x^5-(1/9)x^4=4(-243)-(1/9)(81)}}}
{{{4x^5-(1/9)x^4=-972-9}}}
{{{4x^5-(1/9)x^4=-981}}}