castillobelinda54 castillobelinda54

09-04-2020
Mathematics

contestada

3x2 + 14x - 49 = 0
solving the equation by factoring

Respuesta :

surjithayer10 surjithayer10

09-04-2020

Answer:

Step-by-step explanation:

3x²+14-49=0

3×-49=-147

21-7=14

21×-7=-147

3x²+21x-7x-49=0

3x(x+7)-7(x+7)=0

(x+7)(3x-7)=0

x=-7,7/3

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