connersitte1221l
04.02.2020 •
Mathematics
Solve x^2-8x=20 by completing the square. which is the solution set of the equation?
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Ответ:
Step-by-step explanation:
x^2 - 8x = 20
1. Subtract 20 from both sides
x^2 - 8x - 20 = 20 - 20
2. Simplify
x^2 - 8x - 20 = 0
3. Factor the equation out by grouping
(x - 10)(x + 2) = 0
4. Change signs:
x = 10, x = -2
Hope This Helped!!
~Shane
Ответ:
5 : 1/2 = 5 x 2/1 = 5 x 2 = 10
Hope this helps!
:)