Question

6. The product of x(x2y – xy2) is ……………….. .
7. Sum of 2a2 – 3ab + 5b2, -3a2 + 4ab + 3b2 is …………….. .
8. The value of the 2a3 + 3a2 + 2a – 7 when a= -2 is ………………. .
9. Number of diagonals we can draw from one vertex of a quadrilateral is ……………….. .
10. Number of diagonals we can draw from one vertex of a pentagon is ………………… .

Answer 1

Answer:

6) x³y-x²y²

7)-a²+ab+8b²

8)-15

9) 1 diagonal

10) 2 diagonal

Answer 2

Answer:

6)x³y-x²y

7)-a²+ab+8b²