Question

Please help me with this math question

Answer 1

Step-by-step explanation:

-x²+x = 4/10×13

-x²+x = 2/5×13

-x²+x = 2/65

... I don't no

Answer 2

Answer:

1/2 ,4/5

Step-by-step explanation:

-10x^2 + 13x-4 = 0

-10 x^2 + 8x +5x -4 =0

2x(-5x +4 ) -1 (-5x +4) =0

(2x-1 )=0 , (-5x + 4 )= 0

2x =1 ,-5x = -4

x = 1/2 ,x= -4/-5

x= 1/2 ,x= 4/5