Question Simplify the expression 25n2−640n Evaluate 25n2−40n×16Solution 25n2−640n Show Solution Factor the expression 5n(5n−128) Evaluate 25n2−40n×16Multiply the terms 25n2−640nRewrite the expression 5n×5n−5n×128Solution 5n(5n−128) Show Solution Find the roots n1=0,n2=5128Alternative Form n1=0,n2=25.6 Evaluate 25n2−40n×16To find the roots of the expression,set the expression equal to 0 25n2−40n×16=0Multiply the terms 25n2−640n=0Factor the expression More Steps Evaluate 25n2−640nRewrite the expression 5n×5n−5n×128Factor out 5n from the expression 5n(5n−128) 5n(5n−128)=0When the product of factors equals 0,at least one factor is 0 5n=05n−128=0Solve the equation for n n=05n−128=0Solve the equation for n More Steps Evaluate 5n−128=0Move the constant to the right-hand side and change its sign 5n=0+128Removing 0 doesn't change the value,so remove it from the expression 5n=128Divide both sides 55n=5128Divide the numbers n=5128 n=0n=5128Solution n1=0,n2=5128Alternative Form n1=0,n2=25.6 Show Solution