Question Factor the expression x2(9−2x) Evaluate 9x2−2x3Rewrite the expression x2×9−x2×2xSolution x2(9−2x) Show Solution Find the roots x1=0,x2=29Alternative Form x1=0,x2=4.5 Evaluate 9x2−2x3To find the roots of the expression,set the expression equal to 0 9x2−2x3=0Factor the expression x2(9−2x)=0Separate the equation into 2 possible cases x2=09−2x=0The only way a power can be 0 is when the base equals 0 x=09−2x=0Solve the equation More Steps Evaluate 9−2x=0Move the constant to the right-hand side and change its sign −2x=0−9Removing 0 doesn't change the value,so remove it from the expression −2x=−9Change the signs on both sides of the equation 2x=9Divide both sides 22x=29Divide the numbers x=29 x=0x=29Solution x1=0,x2=29Alternative Form x1=0,x2=4.5 Show Solution
Algebra
Calculus
Trigonometry
Matrix Algebra Calculus Trigonometry Matrix