Find the Special Product Using the Appropriate Formula $$( x + 15 ) ^ { 2 }$$

question 158

Multiple Choice

Find the special product using the appropriate formula.
- $$( x + 15 ) ^ { 2 }$$

• A) \(x ^ { 2 } + 30 x + 225\)
• B) \(x + 225\)
• C) \(225 x ^ { 2 } + 30 x + 225\)
• D) \(x ^ { 2 } + 225\)

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Definitions:

Back Weld

A welding technique where a weld is applied on the opposite side of a previously welded joint to ensure strength and integrity.

Backing Weld

A type of weld applied to the root of a joint for ensuring complete root penetration and to support molten weld metal.

Double-Groove Joint

A type of joint where two parallel grooves are made on each piece of material to be joined, typically used in welding for increased strength.