Question Simplify the expression k4−7k3 Evaluate k3(k−7)Apply the distributive property k3×k−k3×7Multiply the terms More Steps Evaluate k3×kUse the product rule an×am=an+m to simplify the expression k3+1Add the numbers k4 k4−k3×7Solution k4−7k3 Show Solution Find the roots k1=0,k2=7 Evaluate (k3)(k−7)To find the roots of the expression,set the expression equal to 0 (k3)(k−7)=0Calculate k3(k−7)=0Separate the equation into 2 possible cases k3=0k−7=0The only way a power can be 0 is when the base equals 0 k=0k−7=0Solve the equation More Steps Evaluate k−7=0Move the constant to the right-hand side and change its sign k=0+7Removing 0 doesn't change the value,so remove it from the expression k=7 k=0k=7Solution k1=0,k2=7 Show Solution
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