Question Factor the expression x2(7−8x) Evaluate 7x2−8x3Rewrite the expression x2×7−x2×8xSolution x2(7−8x) Show Solution Find the roots x1=0,x2=87Alternative Form x1=0,x2=0.875 Evaluate 7x2−8x3To find the roots of the expression,set the expression equal to 0 7x2−8x3=0Factor the expression x2(7−8x)=0Separate the equation into 2 possible cases x2=07−8x=0The only way a power can be 0 is when the base equals 0 x=07−8x=0Solve the equation More Steps Evaluate 7−8x=0Move the constant to the right-hand side and change its sign −8x=0−7Removing 0 doesn't change the value,so remove it from the expression −8x=−7Change the signs on both sides of the equation 8x=7Divide both sides 88x=87Divide the numbers x=87 x=0x=87Solution x1=0,x2=87Alternative Form x1=0,x2=0.875 Show Solution
Algebra
Calculus
Trigonometry
Matrix Algebra Calculus Trigonometry Matrix