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Elyzamaedizon25go
Answered

Let's Analyze
Solve for the roots of the following.
1) x + x2 - 6 = 0
2) 2x - x = 15
3) x4 + x2 - 90 = 0
4) (x - 1)4 - (x - 1)2 - 12 = 0
5) 2x-2 = x-1 - 1​​

Sagot :

Rhiannelianne18go

Answer:

2. 2×-×=15

(2-1) ×=15

1×=15

×=15

3. ×4 + ×2-90 = 0

×=15

4. (×-1) ×4-(×-1) ×2=12

(4-2) × (×-1) =12

2(×-1) =12

×-1=6

×=6

×=7

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