Question Simplify the expression n4−3n2 Evaluate n4−3n2×1Solution n4−3n2 Show Solution Factor the expression n2(n2−3) Evaluate n4−3n2×1Multiply the terms n4−3n2Rewrite the expression n2×n2−n2×3Solution n2(n2−3) Show Solution Find the roots n1=−3,n2=0,n3=3Alternative Form n1≈−1.732051,n2=0,n3≈1.732051 Evaluate n4−3n2×1To find the roots of the expression,set the expression equal to 0 n4−3n2×1=0Multiply the terms n4−3n2=0Factor the expression n2(n2−3)=0Separate the equation into 2 possible cases n2=0n2−3=0The only way a power can be 0 is when the base equals 0 n=0n2−3=0Solve the equation More Steps Evaluate n2−3=0Move the constant to the right-hand side and change its sign n2=0+3Removing 0 doesn't change the value,so remove it from the expression n2=3Take the root of both sides of the equation and remember to use both positive and negative roots n=±3Separate the equation into 2 possible cases n=3n=−3 n=0n=3n=−3Solution n1=−3,n2=0,n3=3Alternative Form n1≈−1.732051,n2=0,n3≈1.732051 Show Solution