Question

solve this quadratic equation
2a^2 - 42a + 252 =0
​

Answer 1

Step-by-step explanation:

2a²-42a+252=0

=>2a(a-21)+252=0 (I have taken

common)

=>a-21+252=0/2a (if denominator is

0,then the

number is also 0)

=>a-21+252=0

=>-a=-21+252

=>-a=231

=>a=-231

hope it helps..........

thank u.........