Question

please answer me fast it's vey urgent
please don't answer me silly​

Answer 1

Answer:

1. 2x^2 + 1

2. x^3 + 5x^2 + 5

3. a^3 + b^3

4. 0

5. 8^3 - 3*15*8 = 512 - 360 = 152

7. 2( x^2 + y^2)

8. 49 - 24 = 25

9. 100^2 = 10000

10. (a + b + c)

Answer 2

Answer:

1) 2x²+1

2) x³+5x²+5

3) a³+b³

4) 3xyz

5) 152

6) -3[ab(a-b)+bc(b-c)+ac(a-c)]

7) 2(x²+y²)

8) 25

9) 100

10) a+b+c