Question Simplify the expression 3x2−48x+192 Evaluate 3(x−8)2Expand the expression More Steps Evaluate (x−8)2Use (a−b)2=a2−2ab+b2 to expand the expression x2−2x×8+82Calculate x2−16x+64 3(x2−16x+64)Apply the distributive property 3x2−3×16x+3×64Multiply the numbers 3x2−48x+3×64Solution 3x2−48x+192 Show Solution Find the roots x=8 Evaluate 3(x−8)2To find the roots of the expression,set the expression equal to 0 3(x−8)2=0Rewrite the expression (x−8)2=0The only way a power can be 0 is when the base equals 0 x−8=0Move the constant to the right-hand side and change its sign x=0+8Solution x=8 Show Solution
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