☰ Contents · Algebra

Multiplying a polynomial by a polynomial

Lessons 20 · 1 lessons · Sh.A. Alimov, O.R. Xolmuhamedov, M.A. Mirzaahmedov. Algebra, Grade 7, revised and expanded 5th edition. O‘qituvchi NMIU, Tashkent, 2017
Answers are for parents and teachers.
1
Multiply (4a + 1)(a - 3).
2
Multiply (x - 2y)(x + 3y).
3
Multiply (y - 1)(y + 2)(y + 1).
4
Solve (x + 4)(x - 1) = x² + 8.
5
The sides of a rectangle are a + 2 and a + 7 cm. Write its area as a polynomial.