Tentukan hasil Kali 2 bilangan bulat yg jumlahnya -56 Dan selisihnya 4
Matematika
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Pertanyaan
Tentukan hasil Kali 2 bilangan bulat yg jumlahnya -56 Dan selisihnya 4
2 Jawaban
-
1. Jawaban stevanadika
a + b = -56
a - b = 4
----------------- +
2a = -52
a = -26
a - b = 4
-26 - b = 4
-b = 4 + 26
-b = 30
b = -30
a x b = -26 x -30 = 780 -
2. Jawaban Dewi156
a + b = -56 a - b = 4 ----------------- + 2a = -52 a = -26 a - b = 4 -26 - b = 4 -b = 4 + 26 -b = 30. b = -30 a x b = -26 x -30 = 780