Question

using quadratic formula solve this ​

Answer 1

Hii Mate here is ur answer...

Simplifying

15x2 + -28 = x

Reorder the terms:

-28 + 15x2 = x

Solving

-28 + 15x2 = x

Solving for variable 'x'.

Reorder the terms:

-28 + -1x + 15x2 = x + -1x

Combine like terms: x + -1x = 0

-28 + -1x + 15x2 = 0

Factor a trinomial.

(-4 + -3x)(7 + -5x) = 0

Answer 2

15x×x - 28 =x

28 =x - 15x×x

28 = 14 x×x

x×x = 14 ÷28

x×x = 0.5