Factorisation of Quadratic Polynomials - Factor Theorem
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Question
Multiply the following polynomials (5−d2+2d)(2d−1)
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Solution
Multiplying each term of the first with each term of the second and adding gives: 5⋅2d+5⋅−1+−d2⋅2d+−d2⋅−1+2d⋅2d+2d⋅−1 =10d−5−2d3+d2+4d2−2d =−2d3+5d2+8d−5