9000146705 | math4u.vsb.cz

SubArea:

Polynomials and fractions

Level:

Project ID:

9000146705

Accepted:

1

Clonable:

0

Easy:

0

Expand the following expression.

(3 - 2 a)^{2} - (3 a - 4) (3 a + 4)

- 5 a^{2} - 12 a + 25

- 5 a^{2} - 12 a - 7

- 5 a^{2} + 25

- 5 a^{2} - 7