Question

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Answer 1

1. 14a⁴b\49a³b² = 2a\7b
2. 3x \ (x²+4x) = 3x \ x (x+4) = 3\ (x+4)
3. (y²-z²) \ (2y+2z) = (y-z)(y+z) \ 2 (y+z) = (y-z) \ 2
4. ( x²-16) \ (x²-8x+16) = (x-4)(x+4) \ (x-4)² = (x+4) \ (x-4)

Answer 2

А) 2а/7b
б) 3/х+4
в) = (y-z)(y+z)/2(y+z) = y-z/2