Question

plzzz solve fast
Its of 30 points​

Answer 1

Answer:

answer of 1

Step-by-step explanation:

1. $X^{4} + Y^{4} - 4X^{2}Y^{2} + 4X^{2}Y^{2} = X^{4} + Y^{4}$

Answer 2

Answer:

1. $x^4+2x^2y^2+y^4$

2. $p^2q^2+4pq$

3. $8m^2+128n^2$

4. $57m^2+80mn+16n^2$

5. $p^2q^2$

6. $a^2b^2+b^2c^2$

7. $m^2n^4-2m^3n^2+m^4+2m^2n^2$

Step-by-step explanation:

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