Question

17) Find the product of the following
a) (2x + 3)(x-7)​

Answer 1

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

2x² - 14x + 3x - 21

2x² - 11x - 21

Answer 2

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( 2x + 3 )( x - 7 )

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

= 2x^2 - 14x + 3x - 21

= 2x^2 - 11x - 21