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
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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