chiswim2013 chiswim2013

13-04-2020
Mathematics

contestada

5(x+7)^2=245
find the steps

Respuesta :

surjithayer10 surjithayer10

13-04-2020

Answer:

0,-14

Step-by-step explanation:

5(x+7)²=245

divide both sides by 5

(x+7)²=49

Taking the square root of both sides

x+7=±7

Either x+7=7

subtract 7 from both sides

x+7-7=7-7

x=0

or

x+7=-7

subtract 7 from both sides

x+7-7=-7-7

x=-14

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