Question

find zero of the polynomial 5x2+12x+7​

Answer 1

$\large\bf\blue{Answer:-}$

$5 {x}^{2} + 12x + 7 = 0 \\ 5 {x}^{2} + 5x + 7x + 7 = 0 \\ 5x(x + 1) + 7(x + 1) = 0 \\ (x + 1)(5x + 7) = 0 \\ x + 1 = 0 \: \: or \: \: 5x + 7 = 0 \\ x = - 1 \: \: or \: \: x = - \frac{7}{5}$

Answer 2

Answer:

x = -1 and x = -7/5

Step-by-step explanation:

hope it helped u....