Question Simplify the expression 2b2−90b Evaluate b2×2−90bSolution 2b2−90b Show Solution Factor the expression 2b(b−45) Evaluate b2×2−90bUse the commutative property to reorder the terms 2b2−90bRewrite the expression 2b×b−2b×45Solution 2b(b−45) Show Solution Find the roots b1=0,b2=45 Evaluate b2×2−90bTo find the roots of the expression,set the expression equal to 0 b2×2−90b=0Use the commutative property to reorder the terms 2b2−90b=0Factor the expression More Steps Evaluate 2b2−90bRewrite the expression 2b×b−2b×45Factor out 2b from the expression 2b(b−45) 2b(b−45)=0When the product of factors equals 0,at least one factor is 0 2b=0b−45=0Solve the equation for b b=0b−45=0Solve the equation for b More Steps Evaluate b−45=0Move the constant to the right-hand side and change its sign b=0+45Removing 0 doesn't change the value,so remove it from the expression b=45 b=0b=45Solution b1=0,b2=45 Show Solution