hasil ((2r - 7s) - (r-2s)) (r - 2s) =...
Matematika
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Pertanyaan
hasil ((2r - 7s) - (r-2s)) (r - 2s) =...
1 Jawaban
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1. Jawaban fatimah3085
{(2r - 7s) - (r - 2s)} (r - 2s)
= (r - 5s)(r - 2s)
= r² - 5sr - 2sr + 10s²
= r² - 7sr + 10s²