3. Simplify.
a. (p + q + r) (p- q + r) – p (p + 9)
b. (2a - 3b + 7c) (3a + 6b + c) – a (b + c)
x (x + y + 2) – y (y - x + 2)
d. (x + y) (x – y + xy) + (x - y) (x + y - xy)
Solve this please
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3. Simplify.
a. (p + q + r) (p- q + r) – p (p + 9)
b. (2a - 3b + 7c) (3a + 6b + c) – a (b + c)
x (x + y + 2) – y (y - x + 2)
d. (x + y) (x – y + xy) + (x - y) (x + y - xy)
Solve this please
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Answer:
sorry I don't help with this..