expand (2x-3)(2x+3) — step-by-step solution

Let's expand:

(2 x - 3) \cdot (2 x + 3)

2 \cdot x \cdot 2 \cdot x

+ 2 x \cdot 3

- 3 \cdot 2 x

- 3 \cdot 3

ℹ

2 \cdot 2

4

‖

x \cdot x

x^{2}

‖

2 \cdot 3

6

‖

3 \cdot 2

6

‖

-3 \cdot 3

-9

4 x^{2}

+ 6 x

- 6 x

- 9

ℹ

6 x - 6 x

0

4 x^{2} + 0 - 9

▷Answer: $4 x^{2} - 9$