Question

solw The equation t^2+4t-256=0​

Answer 1

MARK THE ANSWER AS BRAINLIEST

Answer 2

t^2 - 4t - 256 = 0

by calculating the discriminant ,

b^2 - 4ac = -4^2 - 4×1×-256

= 16 + 1024

= 1040

by applying this to the quadratic equation,

t = ( -b +- √b^2-4ac ) / 2a

( 4 +- √1040 ) / 2

( 4 + 32.25 ) / 2 or ( 4 - 32.25 ) / 2

t = 18.13 or t = -14.13

Hope this will help you.