Factor f(x)=4x²-15x-25 and then use zero-product property to find the zeros of the quadratic function. Show all work (Will Mark

Question

AfilCa [17]

4 years ago

5

Factor f(x)=4x²-15x-25 and then use zero-product property to find the zeros of the quadratic function. Show all work (Will Mark

Brainliest) [Pre Calculus]

Mathematics

1 answer:

Ostrovityanka [42] · Answer 1 · 2021-12-03T00:47:53+03:00

Ostrovityanka [42]4 years ago

6 0

f(x)=4x²-15x-25
f(x)=(4x + 5)(x - 5)

zero-product property
let f(x)=(4x + 5)(x - 5) = 0
so
(4x + 5)(x - 5) = 0
4x +5 = 0
4x = -5
x = -5/4
x = -1.25

x - 5 =0
x = 5

answer
factor: (4x + 5)(x - 5)
x = 5 and x = -1.25