Question Factor the expression (c2−2)(c2+2) Evaluate c4−4Rewrite the expression in exponential form (c2)2−22Solution (c2−2)(c2+2) Show Solution Find the roots c1=−2,c2=2Alternative Form c1≈−1.414214,c2≈1.414214 Evaluate c4−4To find the roots of the expression,set the expression equal to 0 c4−4=0Move the constant to the right-hand side and change its sign c4=0+4Removing 0 doesn't change the value,so remove it from the expression c4=4Take the root of both sides of the equation and remember to use both positive and negative roots c=±44Simplify the expression More Steps Evaluate 44Write the number in exponential form with the base of 2 422Reduce the index of the radical and exponent with 2 2 c=±2Separate the equation into 2 possible cases c=2c=−2Solution c1=−2,c2=2Alternative Form c1≈−1.414214,c2≈1.414214 Show Solution