Question

Simplify the expression

Answer 1

-25

Explanation:

Simplify the following:

(3 + 17)/4 - 3×5×2

| 1 |

| 1 | 7

+ | | 3

| 2 | 0:

20/4 - 3×5×2

The gcd of 20 and 4 is 4, so 20/4 = (4×5)/(4×1) = 4/4×5 = 5:

5 - 3×5×2

5×2 = 10:

5 - 310

-3×10 = -30:

5 + -30

5 - 30 = -(30 - 5):

-(30 - 5)

| 2 | 10

| |

- | | 5

| 2 | 5:

Answer: -25