Respuesta :

Answer:

225

Step-by-step explanation:

√x - 3 + 12 = 24

√x + 9 =24

√x = 24 - 9

√x = 15

Squaring on both sides,

( √x )^2 = 15^2

x = 225

nightangelrose06

Answer:

x=225

Step-by-step explanation:

√x-3+12=24

Combine -3 and 12

√x+9=24

Subtract 9 from 24

√x=15

Now do the opposite of a square root to the other side to remove the square root from the x

x=15^2

x=225

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