Question

simplificati raportul a la 2-16 supra 8+2a

Answer 1

a la 2-16 supra 8+2a

a² - 16/8 +2a = a²- 2 + 2a

E mult mai simplu așa:

$\it \dfrac{a^2-16}{8+2a} = \dfrac{a^2-4^2}{2a+8}=\dfrac{(a-4)(a+4)}{2(a+4)}=\dfrac{a-4}{2}$

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Answer 2

Raspuns anexat ........................