Question Factor the expression 8(x6−21) Evaluate 8x6−168Solution 8(x6−21) Show Solution Find the roots x1=−621,x2=621Alternative Form x1≈−1.661001,x2≈1.661001 Evaluate 8x6−168To find the roots of the expression,set the expression equal to 0 8x6−168=0Move the constant to the right-hand side and change its sign 8x6=0+168Removing 0 doesn't change the value,so remove it from the expression 8x6=168Divide both sides 88x6=8168Divide the numbers x6=8168Divide the numbers More Steps Evaluate 8168Reduce the numbers 121Calculate 21 x6=21Take the root of both sides of the equation and remember to use both positive and negative roots x=±621Separate the equation into 2 possible cases x=621x=−621Solution x1=−621,x2=621Alternative Form x1≈−1.661001,x2≈1.661001 Show Solution