Question Simplify the expression 5x3−28x2 Evaluate 5x3−4x2×7Solution 5x3−28x2 Show Solution Factor the expression x2(5x−28) Evaluate 5x3−4x2×7Multiply the terms 5x3−28x2Rewrite the expression x2×5x−x2×28Solution x2(5x−28) Show Solution Find the roots x1=0,x2=528Alternative Form x1=0,x2=5.6 Evaluate 5x3−4x2×7To find the roots of the expression,set the expression equal to 0 5x3−4x2×7=0Multiply the terms 5x3−28x2=0Factor the expression x2(5x−28)=0Separate the equation into 2 possible cases x2=05x−28=0The only way a power can be 0 is when the base equals 0 x=05x−28=0Solve the equation More Steps Evaluate 5x−28=0Move the constant to the right-hand side and change its sign 5x=0+28Removing 0 doesn't change the value,so remove it from the expression 5x=28Divide both sides 55x=528Divide the numbers x=528 x=0x=528Solution x1=0,x2=528Alternative Form x1=0,x2=5.6 Show Solution