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Chapter 1: Q54. (page 59)

Simplify the expression5d7鈭�3鈭�16d+3鈰�2d.

A 10 d C 21 d

袙 14 d D 25 d

Short Answer

Expert verified

The correct choice is Option A: 10鈥�d.

Step by step solution

01

Step 1. State the formula.

Any algebraic expression follows the BODMAS rule, such that Bracket, Of, Division, Multiplication, Addition and Subtraction are solved in order.

02

Step 2. List the given data.

The given expression is 鈥�5d7鈭�3鈭�16d+3鈰�2d鈥�

03

Step 3. Simplify the expression.

5d7鈭�3鈭�16d+3鈰�2d

Solve the bracket first to get,

5d4鈭�16d+3鈰�2d4鈰�5d鈭�16d+3鈰�2d

Since there is no 鈥淥f鈥� or Division, solve the multiplications next to get,

20d鈭�16d+6d

Solve the addition next to get,

26d鈭�16d

Solve the subtraction next to get,

10d

So, the simplified expression is 10d. Hence the correct choice is Option A.

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