Question

Q(1/5)


x² - 3x - 10 = 0​

Answer 1

Penjelasan dengan langkah langkah:

x² - 3x - 10 = 0

= ( x + 5 ) = 0 atau ( x - 2 ) = 0

= ( x + 5 ) ( x - 2 )

x = - 2

x = 5

Pembuktian

-5 + -2 = 3

-5 × -2 = 10

Semoga Membantu

Answer By Manda ♥

Answer 2

x²- 3x - 10 = 0

» x²× 5x + 2x - 10 = 0

» x(x - 5) + 2 (x - 5) = 0

» (x - 5) (x + 2) = 0

» x - 5 = 0 atau x + 2 = 0

» x - 5 = 0

» x = 5

» x = 5 atau x = -2