Help me please I need to finish this. Enter the range values for x.

225x²+4=0

225x²=0-4

225x²=-4

x²=-4/225

x=±√-4/225

step-by-step explanation :

we know that

the measurement of the outer angle is the semi-difference of the arcs which comprises

in this problem

m< xzy is the outer angle

substitute the values

the measure of angle xoy is equal to

> by central angle

substitute the value

t

step-by-step explanation:

ever thing time 1 is a multiply by 1 it get  

5 + 8 +7 + 4 + 0 +1 = 25

step-by-step explanation: