How Long Division Works
Part of the Polynomials & Rational Expressions section of Coddy's Algebra 2 journey. Lesson 1 of 51.
97 divided by 4 is 24, remainder 1. Polynomials, sums of powers of x, divide step by step in the same way. Divide by .
- divided by x is x. Subtract . Left: .
- 2x divided by x is 2. Subtract . Left: 3.
- 3 has no x, so stop. Answer: .
Challenge
Divide by . Write one step per line: the answer so far, plus what is left divided by . Stop when what is left has no x.
Try it yourself
Divide the polynomials
All lessons in Polynomials & Rational Expressions
1Polynomial Long Division
How Long Division WorksThe Remainder TheoremA Missing TermRecap: Long Division7Adding and Subtracting
Same BottomDifferent BottomsSubtractingFactor the Bottoms FirstRecap: Adding Fractions2Remainders and Factors
The Factor TheoremFinding a Missing NumberUsing a Known FactorRecap: Remainders and Factors5Sign Charts
Between the RootsOutside the RootsA Negative Leading TermReading a Sign ChartRecap: Sign Charts