The answer is the second one
Answer:
-2
Step-by-step explanation:
x^2 + x=2
Subtract 2 from each side
x^2 + x-2=2-2
x^2 + x-2=0
Factor
What 2 numbers multiply to -2 and add to 1
2*-1 = -2
2+-1 =1
(x-1)(x+2)=0
Using the zero product property
x-1 = 0 x+2 = 0
x=1 x = -2
Product of the roots
1*-2 = -2
Answer:
Step-by-step explanation:
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5
4
3
5 + 10 = 15
4 + 8 = 12
3 + 6 = 9
These are at most 15 bust not over 15
6 and above font work because they result in a number above 15
and 2 and below don't work because it is noticeably not close by observation.
