Question

3x - (8 - 6x) = 10x
(4 + 5x)​

Answer 1

Answer:

3x-(8-6x)=10x(4+5x)

=> 3x-8+6x=40x+50x^2

=> 9x-8=40x+50x^2

=> 50x^2-40x+9x-8=0

=> 50x^2-31x-8=0

OR

3x-(8-6x)= 10x

=> 3x-8+6x= 10x

=> 9x-8= 10x

=> -8= 10x-9x

=> 10x-9x= -8

=> x= -8

Now,

(4+5x)

= {4+5*(-8)}

= 4-40

= -36

Answer 2

3x-(8-6x)=10x

3x-8+6x. on opening the brackets

-8+9x=10x

-8=10x-9x

x=-8

(4+5x)

4+5(-8)

4+(-40)

-36

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