randiqueen randiqueen

11-03-2020
Mathematics

contestada

What is the value of
5(7x + 5) x = 10

Respuesta :

temitopefasola11 temitopefasola11

11-03-2020

Answer:

x = 2/7 or -1

Step-by-step explanation:

5(7x + 5) x = 10

35x² + 25x -10 = 0

35x² + 35x - 10x -10 = 0

35x( x + 1) -10( x + 1) = 0

(35x - 10) (x + 1) = 0

x = 2/7 or -1

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