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x = 2
maka
x² + 5x + c = 0
⇒ (2)² + 5(2) + c = 0
⇒ 4 + 10 + c = 0
⇒ c = -14
Jadi, c = -14
Terimakasih semoga mmebantu
maka c=-14
yaitu 2^2+5.2+(-14)=0