Question

show that X is irrational number is 7 minus x upon 3 whole square equals to 5​

Answer 1

Answer:

Step-by-step explanation (7-x÷3)^2=5

49 -x^2÷9=5

49-x^2=5×9

49-x^2=45

x^2=49-45

x^2=(-4)