(2n+4) (2n-4)
(4k-1)(4k+1)
STANDARD FORM
The Quadratic Equations above are in the Farctor Form, to solve we are using Foil Method.
FOIL stands for First, Outside, Inside, and Last, referring to the order of multiplying terms.
1. (2n+4) (2n-4)
=4n²-8n+8n-16
=4n²-16
a=4 b=0 c=-16
Therefore, the standard form of (2n+4) (2n-4) is 4n²-16
2. (4k-1) (4k+1)
=16k²+4k-4k-1
=16k²-1
a=16 b=0 c=-1
Therefore, the standard form of (4k-1) (4k+1) is 16k²-1
Also Remember!
The Form ax² + bx + c = 0 is called standard form of a quadratic equation. In the equation, ax² is the quadratic term, bx is the linear term, and c is the constant term.
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