Question

find the value of the following expression for the given values
4x-5 (3x+1) when x= 2​

Answer 1

Answer:

=(4x-5*3x)+(4x-5*2)

=12x²-15x+8x-10.

When X=2,

12(2)²-15(2)+8(2)-10

=12(4)-30+16-10

=48-30+16-10

=18+6

=24

Answer 2

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