Question

2a²+3a-4 -(7a+a²-5)-a²+2 =​

Answer 1

Answer:

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Answer 2

Answer:

$2a^2 + 3a - 4 - (7a + a^2 - 5) - a^2 + 2$ $= 3 - 4a$

Step-by-step explanation:

$2a^2 + 3a - 4 - (7a + a^2 - 5) - a^2 + 2$

$=2a^2 - a^2 - a^2 + 3a - 7a - 4 + 5 + 2$

$= - 4a + 3$

$= 3 - 4a$