Expand and combine like terms. (8n^2+3n^7)(8n^2-3n^7)

64n⁴ - 9n¹⁴

General Formulas and Concepts:

Algebra I

Terms/Coefficients/DegreesExpand by FOIL (First Outside Inside Last)Exponential Rule:

Step-by-step explanation:

Step 1: Define

(8n² + 3n⁷)(8n² - 3n⁷)

Step 2: Expand

FOIL:                               64n⁴ - 24n⁹ + 24n⁹ - 9n¹⁴Combine like terms:      64n⁴ - 9n¹⁴

Where’s the

Sin(a)+cos(a)+cot(a)-1=2(csc(x)+1)