Question

try to solve yarr bus thora tricky h​

Answer 1

Answer:

firstly multiply first and last coefficient then factories it according to the middle coefficient then factories the whole

Answer 2

$- 4.9 {t}^{2} + 19.6t + 58.8 = 0 \\ multiply \: bs \: by \: - 10\\ 49 {t}^{2} - 196t - 588 = 0$

Divide B.S. by 49

${t}^{2} - 4t - 12 = 0$

Using Middle Term Splitting

${t}^{2} - 6t + 2t - 12 = 0 \\ t(t - 6) + 2(t - 6) = 0 \\ (t + 2)(t - 6) = 0$

So,

$t + 2 = 0 \\ t = - 2$

And

$t - 6 = 0 \\ t = 6$

Hope It Helps