PROSZĘ O ROZWIAZANIE ZADAŃ1) 2) 3) DAJE NAJJ
^2-tak oznaczam liczbę do kwadratu
{x}-x to liczba pod pierwiastkiem
1)x^2+4x-12=0
x^2+4x+4-12-4=0
(x+2)^2=16
x+2={16}
x+2=4
x=4-2
x=2
2)x^2+2-35=0
x^2+1-36=0
x^2+1+x-x-36=0
(x+1)^2=36+x
x+1=6+{x}
x-{x}-1=4
({x}-1)^2=4
{x}-1=4
{x}=5
x={5}
3)x^2-6x+5=0
x^2-6x+9-4=0
(x+3)^2=4
x+3=2
x=-1
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^2-tak oznaczam liczbę do kwadratu
{x}-x to liczba pod pierwiastkiem
1)x^2+4x-12=0
x^2+4x+4-12-4=0
(x+2)^2=16
x+2={16}
x+2=4
x=4-2
x=2
2)x^2+2-35=0
x^2+1-36=0
x^2+1+x-x-36=0
(x+1)^2=36+x
x+1=6+{x}
x-{x}-1=4
({x}-1)^2=4
{x}-1=4
{x}=5
x={5}
3)x^2-6x+5=0
x^2-6x+9-4=0
(x+3)^2=4
x+3=2
x=-1