Question Factor the expression b4(9b−8) Evaluate 9b5−8b4Rewrite the expression b4×9b−b4×8Solution b4(9b−8) Show Solution Find the roots b1=0,b2=98Alternative Form b1=0,b2=0.8˙ Evaluate (9b5)−(8b4)To find the roots of the expression,set the expression equal to 0 (9b5)−(8b4)=0Multiply the terms 9b5−(8b4)=0Multiply the terms 9b5−8b4=0Factor the expression b4(9b−8)=0Separate the equation into 2 possible cases b4=09b−8=0The only way a power can be 0 is when the base equals 0 b=09b−8=0Solve the equation More Steps Evaluate 9b−8=0Move the constant to the right-hand side and change its sign 9b=0+8Removing 0 doesn't change the value,so remove it from the expression 9b=8Divide both sides 99b=98Divide the numbers b=98 b=0b=98Solution b1=0,b2=98Alternative Form b1=0,b2=0.8˙ Show Solution