Question

Solve all the question by quadritic formula. Please ​

Answer 1

Answer:

ok

$y - 15 \div 4y + 1$

then Take LCm

$4 {y}^{2} - 15 + 4y$

then,

$4 {y}^{2} + 4y - 15$

${b}^{2} - 4ac = {4}^{2} - 2.4. - 15$

it is-224

by applying formula

$- 4 + \sqrt{ - 224} \div 2.4 =$

it is

$- 4 + 224i \div 8$

ramaing converse same do it