karighter62 karighter62

11-05-2022
Mathematics

contestada

Solve the system. y = x^2 - 10x + 15 and y = -10

Respuesta :

Melody08 Melody08

11-05-2022

Answer:

x=5, y=-10

Step-by-step explanation:

y = x²-10x+15 --- eqn 1

y = -10 --- eqn 2

Sub eqn 2 into eqn 1:

x²-10x+15 = -10

x²-10x+15+10 = 0

x²-10x+25 = 0

(x-5)² = 0

x-5 = 0

x = 5

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