Question Simplify the expression 31200−x Evaluate 400−3xReduce fractions to a common denominator 3400×3−3xWrite all numerators above the common denominator 3400×3−xSolution 31200−x Show Solution Find the roots x=1200 Evaluate 400−3xTo find the roots of the expression,set the expression equal to 0 400−3x=0Subtract the terms More Steps Simplify 400−3xReduce fractions to a common denominator 3400×3−3xWrite all numerators above the common denominator 3400×3−xMultiply the numbers 31200−x 31200−x=0Simplify 1200−x=0Move the constant to the right side −x=0−1200Removing 0 doesn't change the value,so remove it from the expression −x=−1200Solution x=1200 Show Solution
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