☰ Contents · Algebra

The difference of squares formula

Lessons 26 · 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
Factor 49 - 36x².
2
Multiply (3m + 5n)(3m - 5n).
3
Compute 37 · 43 using the formula.
4
Factor (a + 2)² - 16.
5
Solve x² - 49 = 0 by factoring.