Answer:
√30 / 2 - 5/ 2 , √30 / 2 - 5/2
Or in decimal 0.23861278
… , −
5.23861278...
Solution:
3(2x+5)^=90
Divide both sides of the equation by 3
(2x+5)^2=30
Take the square root of both sides of the equation and remember to use both positive and negative roots
2x+5=±√30
Seperate the equation into 2 possible cases
2x+5 = - √30
Solve for the equation for x
x = - √30+5 / 2
x = √30 - 5 / 2
The equation has 2 solutions
x1 = - √30+5 / 2
x2 = √30 - 5 / 2
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Answers & Comments
Answer:
√30 / 2 - 5/ 2 , √30 / 2 - 5/2
Or in decimal 0.23861278
… , −
5.23861278...
Solution:
3(2x+5)^=90
Divide both sides of the equation by 3
(2x+5)^2=30
Take the square root of both sides of the equation and remember to use both positive and negative roots
2x+5=±√30
Seperate the equation into 2 possible cases
2x+5 = - √30
2x+5 = - √30
Solve for the equation for x
x = - √30+5 / 2
x = √30 - 5 / 2
The equation has 2 solutions
x1 = - √30+5 / 2
x2 = √30 - 5 / 2