Question Factor the expression 2(2b−15) Evaluate 4b−30Solution 2(2b−15) Show Solution Find the roots b=215Alternative Form b=7.5 Evaluate 4b−30To find the roots of the expression,set the expression equal to 0 4b−30=0Move the constant to the right-hand side and change its sign 4b=0+30Removing 0 doesn't change the value,so remove it from the expression 4b=30Divide both sides 44b=430Divide the numbers b=430Solution b=215Alternative Form b=7.5 Show Solution
Algebra
Calculus
Trigonometry
Matrix Algebra Calculus Trigonometry Matrix