Question

Write the equivalent expression to the sum of the expressions 3a2 + 3a and -3a - 3a2

Answer 1

Answer:

$3 {a}^{2} + 3a + (- 3 {a}^{2} - 3a) \\ = 3 {a}^{2} - 3 {a}^{2} + 3a - 3a \\ = 0 \\ thank \: you$