Question Simplify the expression x2−43 Evaluate x2−13−30Solution x2−43 Show Solution Find the roots x1=−43,x2=43Alternative Form x1≈−6.557439,x2≈6.557439 Evaluate x2−13−30To find the roots of the expression,set the expression equal to 0 x2−13−30=0Subtract the numbers x2−43=0Move the constant to the right-hand side and change its sign x2=0+43Removing 0 doesn't change the value,so remove it from the expression x2=43Take the root of both sides of the equation and remember to use both positive and negative roots x=±43Separate the equation into 2 possible cases x=43x=−43Solution x1=−43,x2=43Alternative Form x1≈−6.557439,x2≈6.557439 Show Solution