hcostello62pbq2hq
hcostello62pbq2hq hcostello62pbq2hq
  • 12-07-2018
  • Mathematics
contestada

Solve (x + 9)² = 25.

1. Apply the square root property of equality.

2. Isolate the variable.



Respuesta :

mbh292
mbh292 mbh292
  • 12-07-2018
The answer is x = -4.
Applying the square root property of equality basically means that we need to take the square roots of both sides.

[tex] \sqrt{(x+9)^{2} }= \sqrt{25} [/tex]

Which turns into: [tex]x+9=5[/tex]

Then we can isolate x by subtracting 9 from both sides: [tex]x=-4[/tex]
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Ronard
Ronard Ronard
  • 17-10-2020

Answer:

If x + 9 = 5, then x =  -4

If x + 9 = –5, then x =  -14

Step-by-step explanation:

It was on Edgenuity

Hope this helped :)

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