Multiply: (3g – 5h) by (8g + 7h)
(3 Points)
36. Divide: (3x + 2x2 + 1) by x + 1
(3 Points)
37. Simplify: 2a – 5b – [2a – b – {5a – 4c – 2a+3b- }]
(3 Points)
Answers
Answer:
- 35: 24g2+ 19gh - 35h2
36:
Given : (3g – 5h)and (8g + 7h)
To Find : Multiply:
Solution:
(3g – 5h) * (8g + 7h)
= 3g(8g + 7h) - 5h (8g + 7h)
= 24g² + 21gh - 40gh - 35h²
= 24g² - 19gh - 35h²
Divide: (3x + 2x² + 1) by x + 1
2x + 1
x + 1 (3x + 2x² + 1)
2x + 2x²
________
x + 1
x + 1
_____
0
(3x + 2x² + 1) / (x + 1) = 2x + 1
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