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Grade 6 - Mathematics
12.61 Multiplication of a Monomial and a Binomial - V

Example: 5x3(9x3+7y3) = _____ ?
Solution:
53.9x3 + 5x3.7y3
= (5.9).(x3.x3) + (5.7).(x3.y3)
= 45x3+3 + 35(x3.y3)
= 45x6 + 35x3y3
Directions: Solve the following multiplication problems. Also write at least 10 examples of your own.
Q 1: 4x3(7x2+9x) = _____ ?
28x4 + 36x4
28x4 + 36x5
28x5 + 36x4

Q 2: 4x3(7x3+9x2) = _____ ?
28x5 + 36x6
28x6 + 36x4
28x6 + 36x5

Q 3: 5x3(9x2+7y2) = _____ ?
45x4 + 35x2y2
45x5 + 35x3y
45x5 + 35x3y2

Q 4: 7x3(4x3+9xy) = _____ ?
8x6 + 63x4y
28x6 + 63x4y
28x5 + 63x2y

Q 5: 15x3(2x3+4xy2) = _____ ?
30x6 + 60xy2
30x6 + 60x4y2
30x4 + 60x3y2

Q 6: 14x3(3x3y+7x2y) = _____ ?
42x4y + 98x6y
42x6y + 98x4y
42x4y + 98x2y

Q 7: 7x2(3x4+7xy2) = _____ ?
21x6 + 49x3y2
21x6 + 49x2y2
21x2 + 49x6y2

Q 8: 9x4(7x2+4x3y2) = _____ ?
63x7 + 36x6y2
63x6 + 36x6y2
63x6 + 36x7y2

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Question 10: This question is available to subscribers only!


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