Question Simplify the expression 316−38x+31x2 Evaluate 31(4−x)2Expand the expression More Steps Evaluate (4−x)2Use (a−b)2=a2−2ab+b2 to expand the expression 42−2×4x+x2Calculate 16−8x+x2 31(16−8x+x2)Apply the distributive property 31×16−31×8x+31x2Multiply the numbers 316−31×8x+31x2Solution 316−38x+31x2 Show Solution Find the roots x=4 Evaluate (31)(4−x)2To find the roots of the expression,set the expression equal to 0 (31)(4−x)2=0Remove the unnecessary parentheses 31(4−x)2=0Rewrite the expression (4−x)2=0The only way a power can be 0 is when the base equals 0 4−x=0Move the constant to the right-hand side and change its sign −x=0−4Removing 0 doesn't change the value,so remove it from the expression −x=−4Solution x=4 Show Solution
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