Wednesday, 28 February 2018

EXPAND 1


Expand (7x + 3)(x - 2)

Solution

= (7x + 3)(x - 2)

= x(7x + 3)-2(7x + 3)

 = 7x² + 3x - 14x - 6

 = 7x² - 11x – 6 

TRY THIS………………


Expand (8x + 5)(x - 3)

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