Question Factor the expression 2(2a−1) Evaluate 4a−2Solution 2(2a−1) Show Solution Find the roots a=21Alternative Form a=0.5 Evaluate 4a−2To find the roots of the expression,set the expression equal to 0 4a−2=0Move the constant to the right-hand side and change its sign 4a=0+2Removing 0 doesn't change the value,so remove it from the expression 4a=2Divide both sides 44a=42Divide the numbers a=42Solution a=21Alternative Form a=0.5 Show Solution
Algebra
Calculus
Trigonometry
Matrix Algebra Calculus Trigonometry Matrix