a-b+c*(d/e-(f+g)) =a-b+c*(/de-(+fg)) =a-b+c*(T-S) where T=/de,S=+fg

Convert following infix expression to the prefix expression.
a - b + c * (d / e - (f + g))

Question Posted / elle

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Answer Posted / elle

a-b+c*(d/e-(f+g))
=a-b+c*(/de-(+fg))
=a-b+c*(T-S) where T=/de,S=+fg
=a-b+c*-(TS)
=-ab+c*-(TS)
=-ab+c*V where V=-TS
=-ab+*cV
=X+Y where X=-ab,*cV=Y
=+XY
=+-ab*cV
=+-ab*c-TS
=+-ab*c-/de+fg

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