Can u please help me with this ASAP I reall need help :)

simplify 2x +10 /x^2 + 4x-5
a. x+5/ x-1
b.2/x-1
c.2(x+5)/x-1
d.2/x


question 2 - 12x^5/20x^2
a.3/5x^3
b.3/5x^7
c.3/5
d.x^3

(2x +10) / (x^2 + 4x-5)
= 2(x+5) / (x+5)(x-1)
= 2/(x-1)

Answer : b

2 - 12x^5/20x^2
=2- 6x^3/10
=(20-6x^3)/10

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2(x+5) / (x+5)(x-1)

2/ x-1
B

12x^5/20x^2

(3x^3)/5