2 years ago

Evaluate the expression when X= -2 x^2 + 9x + 3

Mathematics

1 answer:

TiliK225 [7]2 years ago

3 0

Answer:

-11

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Step-by-step explanation:

Step 1: Define

x² + 9x + 3

x = -2

Step 2: Evaluate

Substitute in x: (-2)² + 9(-2) + 3
Exponents: 4 + 9(-2) + 3
Multiply: 4 - 18 + 3
Subtract: -14 + 3
Add: -11

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