Rozwiąż równanie kwadratowe:
½x²-10=6x
Ważnee z góry dzięki ;p
(1/2)x²-10=6x
(1/2)x²-6x-10=0 I*2
x²-12x-20=0
delta=144+80=224
x1=12-4√14/2=2(6-2√14)/2=6-2√14
x2=12+4√14/2=2(6+2√14)/2=6+2√14
1/2x^2-6x-10=0 |*2
x^2-12x-20=0
delta= 12^2-4*(-20)
144+80=224
x1=12-4√14/2
x1=2(6-2√14)/2
x1=6-2√14
x2=12+4√14/2
x2=2(6+2√14)/2
x2=6+2√14
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(1/2)x²-10=6x
(1/2)x²-6x-10=0 I*2
x²-12x-20=0
delta=144+80=224
x1=12-4√14/2=2(6-2√14)/2=6-2√14
x2=12+4√14/2=2(6+2√14)/2=6+2√14
1/2x^2-6x-10=0 |*2
x^2-12x-20=0
delta= 12^2-4*(-20)
144+80=224
x1=12-4√14/2
x1=2(6-2√14)/2
x1=6-2√14
x2=12+4√14/2
x2=2(6+2√14)/2
x2=6+2√14