Question Simplify the expression z4−2 Evaluate z3×z−2Solution More Steps Evaluate z3×zUse the product rule an×am=an+m to simplify the expression z3+1Add the numbers z4 z4−2 Show Solution Find the roots z1=−42,z2=42Alternative Form z1≈−1.189207,z2≈1.189207 Evaluate z3×z−2To find the roots of the expression,set the expression equal to 0 z3×z−2=0Multiply the terms More Steps Evaluate z3×zUse the product rule an×am=an+m to simplify the expression z3+1Add the numbers z4 z4−2=0Move the constant to the right-hand side and change its sign z4=0+2Removing 0 doesn't change the value,so remove it from the expression z4=2Take the root of both sides of the equation and remember to use both positive and negative roots z=±42Separate the equation into 2 possible cases z=42z=−42Solution z1=−42,z2=42Alternative Form z1≈−1.189207,z2≈1.189207 Show Solution
Algebra
Calculus
Trigonometry
Matrix Algebra Calculus Trigonometry Matrix