Question Factor the expression Factor 2(x2+1) Evaluate 2x2+2Solution 2(x2+1) Show Solution Find the roots Find the roots of the algebra expression x1=−i,x2=i Evaluate 2x2+2To find the roots of the expression,set the expression equal to 0 2x2+2=0Move the constant to the right-hand side and change its sign 2x2=0−2Removing 0 doesn't change the value,so remove it from the expression 2x2=−2Divide both sides 22x2=2−2Divide the numbers x2=2−2Divide the numbers More Steps Evaluate 2−2Reduce the numbers 1−1Calculate −1 x2=−1Take the root of both sides of the equation and remember to use both positive and negative roots x=±−1Simplify the expression x=±iSeparate the equation into 2 possible cases x=ix=−iSolution x1=−i,x2=i Show Solution