Question

for quadratic equation 10 X square + 10 X + 1 =0 what is the value of r + B​

Answer 1

Answer:

where is B in this question

Answer 2

Answer:

Hi mate....

${10x}^{2} + 10x + 1 = 0$

Thus,roots are

$x = - b + - \sqrt{ {b}^{2} - 4ac } \div 2a$

Thus,-10 + 7.7 ÷20 and -10-7.7 ÷20

Find the roots and get answer...

I don't understand what's r and b ????