1

Problem

Evaluate the expression (2x + 3)(x - 1) when x = 3.

2

Step

The Given expression is

(2x + 3)(x - 1)

3

Step

Substitute 3 in place of x in given expression

\$(2 times 3 + 3) (3 − 1)\$

4

Step

Simplify the equation

\$(6 + 3) times 2\$

⇒ \$9 times 2\$

⇒ (18)

5

Solution

Therefore, when x = 3, the value of the expression (2x+3)(x−1) is 18.

6

Sumup

Please Summarize Problem, Hint, Clue, Formula and Steps

Choices

7

Choice-A

The expression yields 18, not 20, indicating an error in the calculation process

Wrong 20

8

Choice-B

The expression’s calculated value is 18, not 23, rendering it incorrect

Wrong 23

9

Choice-C

The expression’s calculated value is 18, not 29, thus indicating an incorrect evaluation

Wrong 29

10

Choice-D

The correctness lies in the expression yielding 18 through accurate calculation

Correct 18

11

Step

Option

D

12

Sumup

Please Summarize Choices