To find the roots of the expression,set the expression equal to 0
h−811i2=0
Evaluate the power
h−811(−1)=0
Simplify
h−(−811)=0
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
h+811=0
Move the constant to the right-hand side and change its sign
Algebra
Calculus
Trigonometry
Matrix