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3 years ago

13

Can someone give examples of multiplying Factors here is one (-x-4)(x+4)

1 answer:

erastova [34]3 years ago

3 0

You use FOIL

First
Outer
Inner
Last

(-x - 4)(x + 4)

The first terms for both are -x and x

-x * x = -x^2

Outer are -x and 4

-x * 4 = -4x

Inner are -4 and x

-4 * x = -4x

Last are -4 and 4

-4 * 4 = -16

Combine:

-x^2 - 4x - 4x - 16

-x^2 - 8x - 16

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Answer:

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General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

<u>Algebra I</u>

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Step-by-step explanation:

<u>Step 1: Define</u>

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<u>Step 2: Find slope </u><em><u>m</u></em>

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