Question Simplify the expression a5−4a4 Evaluate a4(a−4)Apply the distributive property a4×a−a4×4Multiply the terms More Steps Evaluate a4×aUse the product rule an×am=an+m to simplify the expression a4+1Add the numbers a5 a5−a4×4Solution a5−4a4 Show Solution Find the roots a1=0,a2=4 Evaluate (a4)(a−4)To find the roots of the expression,set the expression equal to 0 (a4)(a−4)=0Calculate a4(a−4)=0Separate the equation into 2 possible cases a4=0a−4=0The only way a power can be 0 is when the base equals 0 a=0a−4=0Solve the equation More Steps Evaluate a−4=0Move the constant to the right-hand side and change its sign a=0+4Removing 0 doesn't change the value,so remove it from the expression a=4 a=0a=4Solution a1=0,a2=4 Show Solution
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