Matematika

Pertanyaan

(5c-2d)²=
MakeCaraNyaYaKumohon :)

1 Jawaban

  • (5c-2d)^2=....

    *jawab
    = (5c-2d)(5c-2d)
    = (5cx5c) - (5cx2d) - (5cx2d) - (2dx2d)
    = 25c^2 - 10cd - 10cd - 4d^2
    = 25c^2 - 20cd - 4cd^2

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