Question

5a/ (a+3)² × (a²-9) при a=-2​

Answer 1

Ответ:

5a/(a^2+6a+9)((a-3)(a+3))= -10 / (4-12+9)(-2-3)(-2+3)=

-10 / (1×(-5)×1)= -10/-5=2

Объяснение:

қысқаша көбейту формула арқылы шығарылған

Answer 2

To evaluate the expression, we substitute a with -2 and perform the calculations step by step:

First, let's substitute a with -2 in the expression: 5(-2) / ((-2) + 3)² × ((-2)² - 9)

Simplifying further: -10 / (1)² × (4 - 9)

-10 / 1 × (-5)

-10 × (-5)

50

Therefore, when a is equal to -2, the expression 5a/(a+3)² × (a²-9) evaluates to 50.