Question

b). ( 7y + 6 ) ( 2y3 - 10y2 ) =
c). ( 8a2 + 2b ) ( 3a + 7b4 ) =
d). ( 10x3 + 4y3 ) ( 2x2 – 3y4 ) =
e). ( 3y2 + 5w ) ( 3y3 + w4 ) =
f). ( 5b + 3b2 ) ( 4b4 - 6 ) =
g). ( 7x4 + 3x ) ( 4x3 + 2x5 )
h). ( 10a4 + 3b3 ) ( 5a + 8b4 ) =
i). ( 8x5 + 6x ) ( 2x3 + 5x3 ) =
j). ( 2y – 6y4 ) ( 3y2 + 4y2 ) =​

Answer 1

b)

7y + 6

2y³ - 10y²

__________

14y⁴ + 12y³

- 70y³ - 60y²

_______________

14y⁴ - 58y³ - 60y²

c)

8a² + 2b

3a + 7b⁴

_________

24a³ + 6ab

56a²b⁴ + 14b⁵

_______________________

24a³ + 6ab + 56a²b⁴ + 14b⁵

d)

10x³ + 4y³

2x² - 3y⁴

___________

20x⁵ + 8x²y³

- 30x³y⁴ - 12y^7

_________________________

20x⁵ + 8x²y³ - 30x³y⁴ - 12y^7

e)

3y² + 5w

3y³ + 4w

__________

9y⁵ + 15y³w

+ 12y²w + 20w²

________________________

9y⁵ + 15y³w + 12y²w + 20w²

f)

5b + 3b²

4b⁴ - 6

____________

20b⁵ + 12b⁶

- 30b - 18b²

____________________

20b⁵ + 12b⁶ - 30b - 18b²

g)

7x⁴+ 3x

4x³ + 2x⁵

__________

28x^7 + 12x⁴

+ 14x^9 + 6x⁶

_______________________

28x^7 + 12x⁴ + 14x^9 + 6x⁶

h) ( 10a4 + 3b3 ) ( 5a + 8b4 )

50a⁵ + 80a4b⁴ + 15ab³ + 24b^7

i) ( 8x5 + 6x ) ( 2x3 + 5x3 )

16x^9 + 40x^8 + 12x⁴ + 30x⁴

16x^9 + 40x^8 + 42x⁴

j) ( 2y – 6y4 ) ( 3y2 + 4y2 )

6y³ + 8y³ - 18y⁶ - 24y⁶

6y³ + 8y³ - 42y⁶

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