⇒ Problem:
1. [tex](4a + 2b) (4a- 2b)[/tex]
2. [tex]( x + 5 ) ( x - 5 )[/tex]
3. [tex](3m - 27) (3m - 27)[/tex]
4. [tex](x² - 10x + 25)²[/tex]
5. [tex](2y + 5a - 25)²[/tex]
⇒ Answer
1. (4a + 2b) (4a- 2b)
(4a)²- (2b)²
16a²- (2b)²
16a²- 4b²
Final Answer: 16a²- 4b²
2. (x + 5) (x - 5)
x²- 5²
x²-25
Final Answer: x²-25
3. (3m - 27) (3m - 27)
(3m - 27)¹ (3m - 27)
(3m - 27)¹ (3m - 27)¹
(3m - 27)¹⁺¹
(3m - 27)²
(3m)² - 2x3m x 27 + 27²
(9m)²- 2x3m x 27 + 27²
9m²- 162m + 27²
9m²- 162m + 729
FInal Answer: 9m²- 162m + 729
4. (x² - 10x + 25)²
x⁴ + 100x²+ 625 - 20x³+ 50x² - 500x
x⁴ + 150x²+625 - 20x³- 500x
x⁴- 20x³ + 150x²- 500x + 625
Final Answer: x⁴- 20x³ + 150x²- 500x + 625
5. (2y + 5a - 25)²
4y² + 25a² + 625 +20ay - 100y - 250a
Final Answer: 4y² + 25a² + 625 +20ay - 100y - 250a
