Question Factor the expression 4(2y−1) Evaluate 8y−4Solution 4(2y−1) Show Solution Find the roots y=21Alternative Form y=0.5 Evaluate 8y−4To find the roots of the expression,set the expression equal to 0 8y−4=0Move the constant to the right-hand side and change its sign 8y=0+4Removing 0 doesn't change the value,so remove it from the expression 8y=4Divide both sides 88y=84Divide the numbers y=84Solution y=21Alternative Form y=0.5 Show Solution