Question Factor the expression z(z+20) Evaluate z2+20zRewrite the expression z×z+z×20Solution z(z+20) Show Solution Find the roots z1=−20,z2=0 Evaluate z2+20zTo find the roots of the expression,set the expression equal to 0 z2+20z=0Factor the expression More Steps Evaluate z2+20zRewrite the expression z×z+z×20Factor out z from the expression z(z+20) z(z+20)=0When the product of factors equals 0,at least one factor is 0 z=0z+20=0Solve the equation for z More Steps Evaluate z+20=0Move the constant to the right-hand side and change its sign z=0−20Removing 0 doesn't change the value,so remove it from the expression z=−20 z=0z=−20Solution z1=−20,z2=0 Show Solution
Algebra
Calculus
Trigonometry
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