a) −3t2+t=0
t=0,13
Step 1 :Solve the equation: −3t2+t=0
Step 2 :Factor out t: t(−3t+1)=0
Step 3 :Set each factor equal to zero: t=0 and −3t+1=0
Step 4 :Solve for t: t=0 and t=13
Step 5 :t=0,13