Question Factor the expression x2(7−22x) Evaluate 7x2−22x3Rewrite the expression x2×7−x2×22xSolution x2(7−22x) Show Solution Find the roots x1=0,x2=227Alternative Form x1=0,x2=0.31˙8˙ Evaluate 7x2−22x3To find the roots of the expression,set the expression equal to 0 7x2−22x3=0Factor the expression x2(7−22x)=0Separate the equation into 2 possible cases x2=07−22x=0The only way a power can be 0 is when the base equals 0 x=07−22x=0Solve the equation More Steps Evaluate 7−22x=0Move the constant to the right-hand side and change its sign −22x=0−7Removing 0 doesn't change the value,so remove it from the expression −22x=−7Change the signs on both sides of the equation 22x=7Divide both sides 2222x=227Divide the numbers x=227 x=0x=227Solution x1=0,x2=227Alternative Form x1=0,x2=0.31˙8˙ Show Solution
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