Dividing by a monomial. Chapter III review
Answers are for parents and teachers.
1
Perform 72a⁴b⁵ : 8a²b.
9a²b⁴
2
Perform (18x³ - 12x² + 6x) : 6x.
3x² - 2x + 1
3
Find the value of 30a³b² : 5ab at a = 2, b = 3.
72
4
Simplify (y + 3)(y - 3) - y(y - 2).
2y - 9
5
Multiply (a + b)² as (a + b)(a + b) and find the short expression.
a² + 2ab + b²