Respuesta :

345182

Answer:

X=14.4

Step-by-step explanation:

The equation for this problem is (a)(x)=b^2. So substituting the equation,

(10)(x)=(12)^2. Isolating x, we get x=14.4. to check our answer we solve the equation. (10)(14.4)=(12)^2 -->  144=12^2 --> 144=144. The statement is true.