Question 445092
{{{5t^3-21t^2+18t}}}
={{{t(5t^2-21t+18)}}}
={{{t(5t^2-15t-6t+18)}}} ...decomposition method (found two numbers that multiply to 90(5*18) and two numbers that add to -15).
={{{t[5t(t-3)-6(t-3)]}}}
={{{t(5t-6)(t-3)}}}