Question

3. Simplify.
3,89 + 4
a. (p + q + r) (p - q + r) - p (p + 9)
b. (2a -- 3b + 7c) (3a + 6b c) - a (b + c)
c. x (x + y + 2) – y(y - x + 2)
d. (x + y) (x – y + xoy) + (x - y) (x + y - xy)
- 3 a!...?.
3
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Answer 1

Answer:

which question we have to do I can't understand your question you have to write one by one and increase the point to 20 points then I can answer