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Answered by
11
Answer:
- 3xy² + y² + 2xy
- (x² + y³)(a + 2)
- x = 8
- 6x² + 5xy - 6y² + 25x + 5y + 25
Step-by-step explanation:
Question 1:
Divide 15x²y² + 5xy² + 10x²y by 5x
Answer : 3xy² + y² + 2xy
Question 2:
Factorize : x²a + y³a + 2x² + 2y³
Factors = (x² + y³)(a + 2)
Question 3:
If 3x - 4 = 20, then x = ??
Value of x = 8
Question 4:
Expand : (2x + 3y + 5)(3x - 2y + 5)
Answer: 6x² + 5xy - 6y² + 25x + 5y + 25
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