Question Simplify the expression Solution 4z2−z Evaluate (z×1)(4z−1)Remove the parentheses z×1×(4z−1)Multiply the terms z(4z−1)Apply the distributive property z×4z−z×1Multiply the terms More Steps Evaluate z×4zUse the commutative property to reorder the terms 4z×zMultiply the terms 4z2 4z2−z×1Solution 4z2−z Show Solution Find the roots Find the roots of the algebra expression z1=0,z2=41Alternative Form z1=0,z2=0.25 Evaluate (z×1)(4z−1)To find the roots of the expression,set the expression equal to 0 (z×1)(4z−1)=0Any expression multiplied by 1 remains the same z(4z−1)=0Separate the equation into 2 possible cases z=04z−1=0Solve the equation More Steps Evaluate 4z−1=0Move the constant to the right-hand side and change its sign 4z=0+1Removing 0 doesn't change the value,so remove it from the expression 4z=1Divide both sides 44z=41Divide the numbers z=41 z=0z=41Solution z1=0,z2=41Alternative Form z1=0,z2=0.25 Show Solution