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