First, we can simplify -3a² to -3(a²), then combine like terms by adding a² and 5a:
a² + 5a - 3a² = -3(a²) + 5a + a²
= (-3 + 1)a² + 5a
= -2a² + 5a
Therefore, the answer is B) 5a-2a².
solve a²+5a-3a²
A) 5a+2a²
B) 5a-2a2
C) 2a²+5a
D) 5a-3a²
1 answer