Question Simplify the expression 4x2−29280x3 Evaluate 4x2−480x3×61Solution 4x2−29280x3 Show Solution Factor the expression 4x2(1−7320x) Evaluate 4x2−480x3×61Multiply the terms 4x2−29280x3Rewrite the expression 4x2−4x2×7320xSolution 4x2(1−7320x) Show Solution Find the roots x1=0,x2=73201Alternative Form x1=0,x2≈0.000137 Evaluate 4x2−480x3×61To find the roots of the expression,set the expression equal to 0 4x2−480x3×61=0Multiply the terms 4x2−29280x3=0Factor the expression 4x2(1−7320x)=0Divide both sides x2(1−7320x)=0Separate the equation into 2 possible cases x2=01−7320x=0The only way a power can be 0 is when the base equals 0 x=01−7320x=0Solve the equation More Steps Evaluate 1−7320x=0Move the constant to the right-hand side and change its sign −7320x=0−1Removing 0 doesn't change the value,so remove it from the expression −7320x=−1Change the signs on both sides of the equation 7320x=1Divide both sides 73207320x=73201Divide the numbers x=73201 x=0x=73201Solution x1=0,x2=73201Alternative Form x1=0,x2≈0.000137 Show Solution