teddy55 teddy55

03-04-2019
Mathematics

contestada

Solve the equation using square roots. 7x^2 + 6 =13

Respuesta :

mollycaro21 mollycaro21

03-04-2019

Answer:

x=1

Step-by-step explanation:

Take the root of both sides and solve

Answer Link

laurenfrances25 laurenfrances25

03-04-2019

Answer: x=1, x=-1

Step-by-step explanation

7x^2+6-6=13-6

7x^2/7=7/7

x^2=1

x=square root(-1) square root(1)

negative goes outside

the square root

x=-1 x=1

Answer Link

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