Step-by-step explanation:
Step 1: -x^2 is -1 because x is always 1.
Now that you found your first step take -1x+10=6. You're going to subtract 10 from both sides which leaves you with a sum of -4. So -1x= -4 now divide -4/-1x which gives you a positive number.
Answer:
x = -2 or 2
Step-by-step explanation:
-x² + 10 = 6
Move everything to one side. I suggest moving the left side to the right so that the leading coefficient becomes positive.
0 = x² − 4
Factor the difference of squares:
0 = (x − 2) (x + 2)
Set each factor to 0 and solve.
x − 2 = 0
x = 2
x + 2 = 0
x = -2
Therefore, the solution is x = -2 or 2.
