Math, asked by akshad6, 2 months ago

10x2 + 15x +63÷
5 x - 25x + 12
=2x+3÷x-5

Answers

Answered by leonamariaya

2

Step-by-step explanation:

5x

2

−25x+12

10x

2

+15x+63

=

x−5

2x+3

=>

5x(x−5)+12

5x(2x+3)+63

=

x−5

2x+3

Let, 2x+3=a and x−5=b

=>

5xb+12

5xa+63

=

b

a

=>5xab+63b=5xab+12a

=>63(x−5)=12(2x+3)

=>63x−315=24x+36

=>39x=280

=>x=9

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