Question

(4x - 6x + 3x -7 )(x-5)​

Answer 1

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Question:-

(4x - 6x + 3x -7 )(x-5)

Solution:-

x(4x-6x+3x-7)-5(4x-6x+3x-7)

=4x²-6x²+3x²-28-(20x-30x+15x-36)

=4x²-6x²+3x²-28- 20x+30x-15x+36x

=x²-28- 20x+30x-15x+36x

=x²-5x+18

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x²-5x+18