Find the area of square of one of its side is (3x+4y)cm.If x=4 and y=1,find its actual area.
1 answer:
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Answer:
p(x) = (x - 5)(x + 1)(x + 4)
General Formulas and Concepts:
<u>Algebra I</u>
- Terms/Coefficients
- Factoring
<u>Algebra II</u>
- Factoring Cubes:
- Long Division
- Synthetic Division
Step-by-step explanation:
*Note:
<em>Please excuse my bad handwriting :)</em>
<u>Step 1: Define</u>
<em>Identify</em>
p(x) = x³ - 21x - 20
Linear factor (x - 5)
<u>Step 2: Factor</u>
<em>Option 1: Factoring cubes formula</em>
- Factor [Factoring Cubes]: p(x) = (x - 5)(x² + 5x + 4)
- Factor: p(x) = (x - 5)(x + 4)(x + 1)
<em>Option 2: Long Division</em>
See Attachment
<em>Option 3: Synthetic Division</em>
See Attachment #2
