Question

1. 9(x - 2y)^2 - 4(x - 2y) - 13​

Answer 1

Answer:

Let's simplify step-by-step.

9(x−2y)2−4(x−2y)−13

Distribute:

=9x2+−36xy+36y2+(−4)(x)+(−4)(−2y)+−13

=9x2+−36xy+36y2+−4x+8y+−13

Answer:

=9x2−36xy+36y2−4x+8y−13

Step-by-step explanation:

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