Question Simplify the expression x4−14x2 Evaluate x4−14x2×1Solution x4−14x2 Show Solution Factor the expression x2(x2−14) Evaluate x4−14x2×1Multiply the terms x4−14x2Rewrite the expression x2×x2−x2×14Solution x2(x2−14) Show Solution Find the roots x1=−14,x2=0,x3=14Alternative Form x1≈−3.741657,x2=0,x3≈3.741657 Evaluate x4−14x2×1To find the roots of the expression,set the expression equal to 0 x4−14x2×1=0Multiply the terms x4−14x2=0Factor the expression x2(x2−14)=0Separate the equation into 2 possible cases x2=0x2−14=0The only way a power can be 0 is when the base equals 0 x=0x2−14=0Solve the equation More Steps Evaluate x2−14=0Move the constant to the right-hand side and change its sign x2=0+14Removing 0 doesn't change the value,so remove it from the expression x2=14Take the root of both sides of the equation and remember to use both positive and negative roots x=±14Separate the equation into 2 possible cases x=14x=−14 x=0x=14x=−14Solution x1=−14,x2=0,x3=14Alternative Form x1≈−3.741657,x2=0,x3≈3.741657 Show Solution