Question

Solve : ( 4+x)(5-x)/(2+x)(7-x) = 1​

Answer 1

Answer:

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Answer 2

Using distributive property multiply numerator and denominator

(20-4x+5x-x²) / (14-2x+7x-x²)=1

20+x-x² / 14+5x-x² =1

20+x-x² = 14+5x-x²

X² gets canceled

Shift 14 to lhs and x to rhs

6=4x

X=6/4

X=3/2=1.5

Hope it helps

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