Question

5x^2 - 7x + 4, 3x^2+5x + 2, X^2 - 6x +1​

Answer 1

Step-by-step explanation:

1) 5x²-7x+4

=> 5x²-5x-2x+4 =0

taking 5x common from the previous step we get => 5x(x-1)+2(x-1) =0

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

=> (5x+2)=0 & (x-1)=0

=>5x= -2 & x= 1

x= -2/5