Question Simplify the expression 4a−4 Evaluate (2a−2)×2Multiply the terms 2(2a−2)Apply the distributive property 2×2a−2×2Multiply the numbers 4a−2×2Solution 4a−4 Show Solution Factor the expression 4(a−1) Evaluate (2a−2)×2Multiply the terms 2(2a−2)Factor the expression 2×2(a−1)Solution 4(a−1) Show Solution Find the roots a=1 Evaluate (2a−2)×2To find the roots of the expression,set the expression equal to 0 (2a−2)×2=0Multiply the terms 2(2a−2)=0Rewrite the expression 2a−2=0Move the constant to the right side 2a=0+2Removing 0 doesn't change the value,so remove it from the expression 2a=2Divide both sides 22a=22Divide the numbers a=22Solution More Steps Evaluate 22Reduce the numbers 11Calculate 1 a=1 Show Solution