Question

splitting the middle term 4x^2-5x-1=0

Answer 1

Hey there!
Down here⏬

• 4x^2 - 5x - 1 = 0
= 4x^2 - 5x + 1

• 4x^2 - 5x + 1

Product = 4×1 = 4
Sum = -5

p,q = -4, -1

Now, Product = -4×-1 = 4
Sum = -4+ -1 = -5

• 4x^2 - 4x - 1x - 1

4x (x-1) - 1 (x-1)

• (4x-1) (x-1)

Hope it helps.

Answer 2

the answer is, x= -0.175390529