X^2 + 3x - 4 = 6
x^2 + 3x - 10 = 0 (Now reverse FOIL)
(x + 5)(x - 2)(Now x will equal the opposites of your numbers)
x = -5
x = 2
Hope this helped!
Answer:
1) 1023
2) 8
Step-by-step explanation:
1)
Given:
and 
Then, the next table can be computed (only the first terms are explicitely shown)
n 
1 1
2
3
3
7
4 15
5 31
6 63
7 127
8 255
9 511
10 1023
2)
Given

Then, the next table can be computed
n 
1
-1
2
0
3
3
4
8
<span>5695.</span>
<span>I would round like this 70 times 90 and I would get 6300!</span>