Question Factor the expression x2(2−7x) Evaluate 2x2−7x3Rewrite the expression x2×2−x2×7xSolution x2(2−7x) Show Solution Find the roots x1=0,x2=72Alternative Form x1=0,x2=0.2˙85714˙ Evaluate 2x2−7x3To find the roots of the expression,set the expression equal to 0 2x2−7x3=0Factor the expression x2(2−7x)=0Separate the equation into 2 possible cases x2=02−7x=0The only way a power can be 0 is when the base equals 0 x=02−7x=0Solve the equation More Steps Evaluate 2−7x=0Move the constant to the right-hand side and change its sign −7x=0−2Removing 0 doesn't change the value,so remove it from the expression −7x=−2Change the signs on both sides of the equation 7x=2Divide both sides 77x=72Divide the numbers x=72 x=0x=72Solution x1=0,x2=72Alternative Form x1=0,x2=0.2˙85714˙ Show Solution
Algebra
Calculus
Trigonometry
Matrix Algebra Calculus Trigonometry Matrix