(-3/2x 4/5) + (9/5x -10/3) - (1/2x 3/4)
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Step-by-step explanation:
(i) (-3/2 × 4/5) + (9/5 × -10/3) - (1/2 × 3/4)
=> (-12/10) + (-90/15) - (3/8)
=> (-12/10×3/3)+(-90/15×2/2) -(3/8)
=> (-36/30)+(-180/30) -(3/8)
=> (-216/30) - (3/8)
=> -216/30×4/4 - 3/8×15/15
=> -864/120 - 45/120
=> -909/120
=> -303/40
=> -7 23/40
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