(5c-2d)²= MakeCaraNyaYaKumohon :)
Matematika
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Pertanyaan
(5c-2d)²=
MakeCaraNyaYaKumohon :)
MakeCaraNyaYaKumohon :)
1 Jawaban
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1. Jawaban andre393
(5c-2d)^2=....
*jawab
= (5c-2d)(5c-2d)
= (5cx5c) - (5cx2d) - (5cx2d) - (2dx2d)
= 25c^2 - 10cd - 10cd - 4d^2
= 25c^2 - 20cd - 4cd^2