find the product of 3 X by 4 minus 4 y by 3 and 2 X by 3 + 3y by 2
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3x/4 - 4y/3
9x - 16y /12. (1)
2x/3+ 3y/2
4x+9y/6. (2)
from 1 and 2
9x-16y/12 * 4x+9y/6
4x(9x-16y)+9y(9x-16y)/72
36x^2 + 64xy + 81xy - 144y^2/72
36x^2 + 145xy - 144y^2/72
9x - 16y /12. (1)
2x/3+ 3y/2
4x+9y/6. (2)
from 1 and 2
9x-16y/12 * 4x+9y/6
4x(9x-16y)+9y(9x-16y)/72
36x^2 + 64xy + 81xy - 144y^2/72
36x^2 + 145xy - 144y^2/72
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