Question Simplify the expression 20m2−4 Evaluate m2×20−4Solution 20m2−4 Show Solution Factor the expression 4(5m2−1) Evaluate m2×20−4Use the commutative property to reorder the terms 20m2−4Solution 4(5m2−1) Show Solution Find the roots m2=51Alternative Form m2=0.2 Evaluate m2×20−4To find the roots of the expression,set the expression equal to 0 m2×20−4=0Use the commutative property to reorder the terms 20m2−4=0Move the constant to the right-hand side and change its sign 20m2=0+4Removing 0 doesn't change the value,so remove it from the expression 20m2=4Divide both sides 2020m2=204Divide the numbers m2=204Solution m2=51Alternative Form m2=0.2 Show Solution