6 + 7 = 13 - 7 = 6 or 13 - 6 = 7
Answer:
x = ±1
Step-by-step explanation:
We have to assume you want the solution for y = 0:
0 = x² -1
1 = x² . . . . . . add 1
±1 = x . . . . . . take the square root
x = ±1
Answer:
x^2 - 6x - 55 = 0
using calculator apply mode 5 3 and write nmbrs
1 , -6 , -55
answers must be 11 and -5
1.) 1.19
2.) 0.27
3.) 0.41
4.) 0.92
5.)0.13
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