Задача Задача №474613
А
А
- Разложить на множители:
a) \( b^2 - 16 = (b-4)(b+4) \)
- \( a^2 + 6a + 9 = (a+3)^2 \)
B) \( 49a^2b^4 - 100c^4 = (7ab^2-10c^2)(7ab^2+10c^2) \)
r) \( ax + by + bx + ay = a(x+y) + b(x+y) = (a+b)(x+y) \)
a) \( b^2 - 16 = (b-4)(b+4) \)
B) \( 49a^2b^4 - 100c^4 = (7ab^2-10c^2)(7ab^2+10c^2) \)
r) \( ax + by + bx + ay = a(x+y) + b(x+y) = (a+b)(x+y) \)
