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### MEAP Preparation - Grade 7 Mathematics2.79 Multiplication of a Monomial and a Binomial - IV

 Example: Find the product 5x3(9x2+7y2). Solution: 5x3(9x2+7y2) = 5x3.9x2 + 5x3.7y2 = (5.9).(x3.x2) + (5.7).(x3.y2) = 45(x3+2) + 35x3y2 = 45x5+35x3y2 Directions: Solve the following multiplication problems. Also write at least 10 examples of your own.
 Q 1: 15x3(15x2+7y2) = _____ ?225x5+105x3y2225x5+105x3y3225x5+105x4y2 Q 2: 2x3(x2+7y2) = _____ ?2x5+14x3y32x5+14x4y22x5+14x3y2 Q 3: 3x3(6x2+7y2) = _____ ?18x5+21x4y218x5+21x3y218x5+21x3y3 Q 4: 7x3(x2+7y2) = _____ ?7x5+49x3y37x5+49x3y27x5+49x4y2 Q 5: 7x3(9x2+7y2) = _____ ?63x5+49x3y363x5+49x4y263x5+49x3y2 Q 6: 5x3(7x2+8y2) = _____ ?35x5+40x3y335x5+40x3y235x5+40x4y2 Q 7: 7x3(x2+7y2) = _____ ?7x5+49x4y27x5+49x3y37x5+49x3y2 Q 8: 6x3(15x2+9y2) = _____ ?90x5+54x3y390x5+54x3y290x5+54x4y2 Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!