Question

Simplify completely quantity x squared plus x minus 12 over quantity x squared minus x minus 20

Answer 1

here is the question in math terms

Answer 2

can someone please help me with this i can't figure it out.

Answer 3

anyone? please help

Answer 4

x^2 +x-12\[\frac{ x^2 +x-12 }{ x^2-x-20 }\]

Answer 5

factor the numerator and denominator

Answer 6

\[\frac{ (x-3)(x+4) }{ (x-5)(x+4) }\]

Answer 7

x+4 cancels out

Answer 8

left with (x-3)/(x-5)

Answer 9

these are my only choices

Answer 10

\[3\frac{ x^2-8x+15 }{ 4x^2-16x-20 }\]

Answer 11

this factors to
\[3\frac{ (x-5)(x-3) }{4(x-1)(x-5) }\]

Answer 12

cancel out the x-5s

Answer 13

left with \[\frac{ 3(x-3) }{ 4(x-1)}\]

Answer 14

now divide this term by multiplying the reciprocal

Answer 15

\[\frac{ x-3 }{ x-5 }*\frac{ 4(x-1) }{ 3(x-3) }\]

Answer 16

x-3s cancel out

leaving you with:\[\frac{ 4(x-1) }{ x-5 }\]

that's completely simplified

Answer 17

the only choice i have like why you put is 4(x+1) not what u put

Answer 18

dunno then