Question

Tentukan akar dari :

1) x2 + 10x + 25 = 0

2) x2 - 36 = 0

Answer 1

Verified answer

Matematika
Persamaan Kuadrat VIII SMP

Pembahasan :
x² + 10x + 25 = 0
(x + 5)² = 0
(x + 5)² = 0²
x + 5 = 0
x = -5

Hp : {-5}

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x² - 36 = 0
x² - 6² = 0
(x + 6)(x - 6) = 0
x = -6
x = 6

Hp : {-6 , 6}