What is 15-15*15+15?

What is the answer to 15-15*15+15?

15-15*15+15 = -195

Whenever you are dealing with any mathematical operation just remember “PEDMAS” and proceed accordingly.

P - Parenthesis

E - Exponents

D - Division

M - Multiplication

A - Addition

S - Subtraction

Using PEDMAS means that the order to solve an arithmetic expression is Parenthesis → Exponents → Addition / Subtraction  → Multiplication / Division.

We want to solve this expression: 15-15*15+15"?

In this case we don't have neither parenthesis nor exponents. So, “PEDMAS” we get:

15 - 15 × 15 + 15 = ?

= 15 - 225 + 15 (multiplication)

= 15 -210 (addition)

= -195 (subtraction)

Thus,

15 - 15 × 15 + 15 = -195 (answer)

The most common mnemonics for remembering the order of operations are:

PEMDAS - Parentheses, Exponents, Multiplication, Division, Addition, Subtraction.

BEDMAS - Brackets, Exponents, Division, Multiplication, Addition, Subtraction

BODMAS - Brackets, Of or Order, Division, Multiplication, Addition, Subtraction.

GEMDAS - Grouping Symbols - brackets (){}, Exponents, Multiplication, Division, Addition, Subtraction.