Question

simplify 3x into 4 x minus 5 + 3 and find its value for first if x is equal to 3 and second if x is equal to 1 by 2​

Answer 1

First

3x(4x-5+3)

=3(1)(4(1)-5+3)

=3(4-2)

=3(2)=6

second ,

3(2)(4(2)-5+3)

6(8--2)

6(6)=36

Third,

3(3)(4(3)-5+3)

9(12-2)

9(10)=90

Answer 2

Answer:

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