Question Factor the expression (x2−3)(x2+3) Evaluate x4−9Rewrite the expression in exponential form (x2)2−32Solution (x2−3)(x2+3) Show Solution Find the roots x1=−3,x2=3Alternative Form x1≈−1.732051,x2≈1.732051 Evaluate x4−9To find the roots of the expression,set the expression equal to 0 x4−9=0Move the constant to the right-hand side and change its sign x4=0+9Removing 0 doesn't change the value,so remove it from the expression x4=9Take the root of both sides of the equation and remember to use both positive and negative roots x=±49Simplify the expression More Steps Evaluate 49Write the number in exponential form with the base of 3 432Reduce the index of the radical and exponent with 2 3 x=±3Separate the equation into 2 possible cases x=3x=−3Solution x1=−3,x2=3Alternative Form x1≈−1.732051,x2≈1.732051 Show Solution
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