2.1

Question

Simplify fully, without the use of a calculator:
2.1.1
−1
(9)
9
2
−1
(4)
2.1.2
52𝑥+1+2.52𝑥−1 2.52𝑥
(3)

Answer 1

2.1.1
-1/9(9) = -1

4^2 / -1(4) = 16 / -4 = -4

2.1.2
(52𝑥 + 1 + 2) / (2.52𝑥) = (52𝑥 + 3) / (2.52𝑥) = 4(13𝑥 + 1) / 4(0.63𝑥) = 13𝑥 + 1 / 0.63𝑥