3 years ago

Factor completely 49x2 − 9.

Mathematics

1 answer:

julia-pushkina [17]3 years ago

3 0

Answer: (7x + 3)(7x -3)

Step-by-step explanation:

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3 years ago

Simplify 8 – 2(3x – 36) + 4x A. 22x - 216 B. -2x – 288 C. -2x + 80 D. X + 900

gulaghasi [49]

Answer:

C. -2x + 80

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Distributive Property

Algebra I

Terms/Coefficients

Step-by-step explanation:

Step 1: Define

8 - 2(3x - 36) + 4x

Step 2: Simplify

[Distributive Property] Distribute -2: 8 - 6x + 72 + 4x
[Addition] Combine like terms (x): -2x + 8 + 72
[Addition] Combine like terms (Z): -2x + 80

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