asuhdude57
23.06.2019 •
Mathematics
12(x^2-x-1)+13(x^2-x-1)=25(x^2-x-1) what does x equal?
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Ответ:
x = any real number
Step-by-step explanation:
12(x^2-x-1)+13(x^2-x-1)=25(x^2-x-1)
Combine like terms on the left side
The items inside the parentheses are identical so
25 (x^2-x-1) = 25 (x^2-x-1)
Subtract 25(x^2-x-1) from each side
25 (x^2-x-1)- 25 (x^2-x-1)= 25 (x^2-x-1)- 25 (x^2-x-1)
0=0
This is always true, so x can be any real number
Ответ:
Ответ:
Step-by-step explanation:
well uk it's an easy Question , I can solve it in a seconds..it's super duper easy, even a small child can answer
but y u post here it's useless, no one help