Question

x square - 90x + 30x - 2700

quadric equation​

Answer 1

Step-by-step explanation:

-b+-√(b^2-4ac)/2a

=60+-√(-60)^2-4×1×-2700/2×1

=60+-120/2

=60+120/2 ; 60-120/2

= 90; -30

plz mark brainliest