Question

X(5x - 2) when x = 3
EMERGENCY

Answer 1

39

Explanation:

x(5x - 2)

Substitute x for 3

3(5 x 3 - 2)

Multiply inside Parenthesis

3(15 - 2)

Subtract 2

3(13)

Multiply to get

39

Answer 2

39

Explanation:

Step 1: Define

x(5x - 2)

x = 3

Step 2: Distribute

5x² - 2x

Step 3: Substitute and Evaluate

5(3)² - 2(3)

5(9) - 6

45 - 6

39