Question

simplifique as equações.

Answer 1

Resposta:

$a) \frac{(x-2)(x+3)}{x-2}=x+3$

$b) \frac{(t+3)(t-3)}{(2t+1)(t+3)} =\frac{t-3}{2t+1}$

$c) \frac{8h+h^{2} }{h}=8+h$

$d) \frac{x+2}{(x+2)(x^{2} -2x+4)} =\frac{1}{x^{2}-2x+4 }$

$e) \frac{(3+\sqrt{t})(3-\sqrt{t})  }{3-\sqrt{t} }= 3+\sqrt{t}$

g)$g) \frac{\frac{x+4}{4x} }{4+x}=\frac{4+x}{4x}.\frac{1}{4+x}=\frac{1}{4x}$

$h) \frac{(x+9)(x-9)}{\sqrt{x}-3 } =\frac{(x+9)(\sqrt{x}-3)(\sqrt{x}+3)  )}{\sqrt{x}-3 }=(x+9)(\sqrt{x}+3)$

$i) \frac{(x-2)(x-5)}{(x+2)(x-2)} =\frac{x-5}{x+2}$

j) $J) \frac{1}{5+\sqrt{x} }$

k) $k) \frac{x+2}{x+1}$

$m) x^{2} +9x+27$