Jawaban:
x² + 2x - 15 = 0
# 3² + 2x - 15 =0
9 + 2.3 - 15 = 0
9 + 6 - 15 =0
15 - 15 = 0
0 = 0
# (-5²) + 2.(-5) - 15 = 0
25 + (-10) - 15 = 0
jadi persamaan kuadrat yang himpunan penyelesaian nya {3,-5} adalah x² + 2x - 15 = 0
semoga membantu ya
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Jawaban:
x² + 2x - 15 = 0
# 3² + 2x - 15 =0
9 + 2.3 - 15 = 0
9 + 6 - 15 =0
15 - 15 = 0
0 = 0
# (-5²) + 2.(-5) - 15 = 0
25 + (-10) - 15 = 0
15 - 15 = 0
0 = 0
jadi persamaan kuadrat yang himpunan penyelesaian nya {3,-5} adalah x² + 2x - 15 = 0
semoga membantu ya