November 2018 1 487 Report

Podaj pierwiastki trójmianu kwadratowego i zapisz go w postaci ogólnej. a) y=(x+10) (x−20) b) y=6(x−1/2)(x−1/3) c) y=2(x+3)(3x−4) d) y=5(x−2/5)(x+2/5) e) y=(2x−4)(2x−1) f) y=(2x+1)(3x+1) g) y=(5x−2)(4x−3) h) y=(2−3x)(x+4) i) y=−x(x+3) j) y=1/2x(2x−1) k) y=(7−3x)x l) y=(2x+3)2

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