Christ made at least one error as she found the value of the of this expression 2(-20)+3[2/5(-20)+5[2/5(50)]+4(50)

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

Find the missing factor. write your answer inexponential form.9^2=9^4×

What is the value of x? enter your answer in the box.