Asked by V
Simplify into one fraction.
9/x-1 + 5/x+4
A. 14/2x+3
B. 14x+31/(x-1)(x+4)
C. 14x+41/(x-1)(x+4)
D. 14/(x-1)(x+4)*************
9/x-1 + 5/x+4
A. 14/2x+3
B. 14x+31/(x-1)(x+4)
C. 14x+41/(x-1)(x+4)
D. 14/(x-1)(x+4)*************
Answers
Answered by
mathhelper
Looking at the choices of answers I conclude you meant:
9/(x-1) + 5/(x+4) , those brackets are essential in this way of typing
= ( 9(x+4) + 5(x-1) )/( (x-1)(x+4) )
= (9x + 36 + 5x - 5)/( (x-1)(x+4) )
= (14x + 31)/( (x-1)(x+4) )
B. If typed correctly
9/(x-1) + 5/(x+4) , those brackets are essential in this way of typing
= ( 9(x+4) + 5(x-1) )/( (x-1)(x+4) )
= (9x + 36 + 5x - 5)/( (x-1)(x+4) )
= (14x + 31)/( (x-1)(x+4) )
B. If typed correctly
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