(i) 15(2x - 3)3 - 10(2x - 3)
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(15 • ((2x - 3)3)) - 10 • (2x - 3)
15 • (2x - 3)3 - 10 • (2x - 3)
Pull out 2x-3
(2x-3) • ( 15 * (2x-3)2 +( 10 * (-1) )) 3.2 Evaluate : (2x-3)2 = 4x2-12x+9
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