X квадрат-4х+4____________>0(х+3)+(5-х)

Question

X квадрат-4х+4
____________>0
(х+3)+(5-х)

Comments

(х+3)+(5-х) - тут точно плюс между скобками?

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да

Answer 1

0 " alt=" \frac{(x-2) ^{2} }{x+3+5-x}>0 " align="absmiddle" class="latex-formula">
0 |*8" alt=" \frac{(x-2) ^{2} }{8} >0 |*8" align="absmiddle" class="latex-formula">
0 " alt=" (x-2)^{2}>0 " align="absmiddle" class="latex-formula">
0" alt="|x-2|>0" align="absmiddle" class="latex-formula">
a) x-2>0
x>2
b) x-2 < 0
x<2<br>
x є (; 2) U (2; )