Question Simplify the expression 11r2−11 Evaluate r2×11−3−8Use the commutative property to reorder the terms 11r2−3−8Solution 11r2−11 Show Solution Factor the expression 11(r−1)(r+1) Evaluate r2×11−3−8Use the commutative property to reorder the terms 11r2−3−8Subtract the numbers 11r2−11Solution 11(r−1)(r+1) Show Solution Find the roots r1=−1,r2=1 Evaluate r2×11−3−8To find the roots of the expression,set the expression equal to 0 r2×11−3−8=0Use the commutative property to reorder the terms 11r2−3−8=0Subtract the numbers 11r2−11=0Move the constant to the right-hand side and change its sign 11r2=0+11Removing 0 doesn't change the value,so remove it from the expression 11r2=11Divide both sides 1111r2=1111Divide the numbers r2=1111Divide the numbers More Steps Evaluate 1111Reduce the numbers 11Calculate 1 r2=1Take the root of both sides of the equation and remember to use both positive and negative roots r=±1Simplify the expression r=±1Separate the equation into 2 possible cases r=1r=−1Solution r1=−1,r2=1 Show Solution