x^2-120x-2700=0 solve it
Answers
Answer:
x = 60 + 30√7
x = 60 − 30√7
Step-by-step explanation:
We use the quadratic formula to get our answer :
x = 60 + 30√7
x = 60 − 30√7
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Step-by-step explanation:
Factoring x2-120x-2700
The first term is, x2 its coefficient is 1 .
The middle term is, -120x its coefficient is -120 .
The last term, "the constant", is -2700
Step-1 : Multiply the coefficient of the first term by the constant 1 • -2700 = -2700
Step-2 : Find two factors of -2700 whose sum equals the coefficient of the middle term, which is -120 .
-2700 + 1 = -2699
-1350 + 2 = -1348
-900 + 3 = -897
-675 + 4 = -671
-540 + 5 = -535
-450 + 6 = -