Jika (2x+5)² = 225 , maka √11 + x = ...
Matematika
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Pertanyaan
Jika (2x+5)² = 225 , maka √11 + x = ...
1 Jawaban
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1. Jawaban ahreumlim
(2x+5)² = 225
2x+5 = √225
2x+5 = 15 atau 2x+5= -15
2x = 10 2x = -20
x = 5 x = -10
√11 + x = √11 + 5
atau
√11 + x = √11 - 10