Question

class 10 maths
क्वाड्रेटिक इक्वेशन ​

Answer 1

Answer:

please give full. information about the question you want to ask

Answer 2

Answer:

ax2-bx-c=0

Step-by-step explanation:

x=√b2-4ac/2a

x-7x+12=9

by using formula

(-7)*-4×12/2

√49-48/2

√1/2or-√1/2