Question

1. Expand and/or simplify each of the following
expressions.
(a)-(4x2 + 9x + 2) + 3x2 – 7x + 2
(b)-(1 - 7y - 8y2) + 2(y2 – 3y - 1)​

Answer 1

Answer:

$9x^{6} + 4$

Step-by-step explanation:

⇒$(13x^{3} + 2) + 3x^{2} - 7x + 2\\13x^{3} + 2 + 3x^{2} - 7x +\\2\\9x^{6} + 4$