1.

Simplify: (a) [7 - 2x + 5y - (x - y)] - (5x + 3y - 7) (b) (2a-4) (2a2 - 5a + 1)-(2a - 1)(32? + 7a -5)(c) (5yz + 6x2)(5yz - 6x²)

Answer»

1. 2x +5y 🤣🤣🤣accept as best



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