Question

Simplify : (3x-4)(2x+1) - 7(5x-9)​

Answer 1

3x(4x−5)+3=12x

2

−15x+3

x=3 gives the value 12(9)−15×3+3

                                         =108−45+3

                                         =66

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Answer 2

Answer:

Given that ;

( 3x - 4 )(2x + 1 ) - 7 ( 5x - 9 )

6x + 3x - 8x - 4 - 35x + 63

x - 4 - 35x + 63

- 34x + 59

- x = 59 / 34

x = - 1.73