គណិតវិទ្យាថ្នាក់ទី១០ (សមីការដឺក្រេទី២)

y²+16=0

• y = ±4i

• y = ±1

• y = ±16

• y = ±4

(y+3)²-9y²=0

• y = 3/4, y = -3

• y = 1

• y = -3/4 ; y=3/2

• y = -3/2 ;y=3/4

(x+5)²-25x²=0

• x = -5/6, x = 5/4

• x = 1

• x = -5/6 ; x=5/3

• x = -5/3 ;x=5/6

(y-5)²-25y²=0

• y = 5/6, y = -5

• y = -5/4 ; y=5/6

• y = -5/6 ; y=5/3

• y = -5/3 ;y=5/6

x²-25=0

• x = 5 or x = -5

• x = 1 or x = -1

• x = 0 or x = -0

• x = 2 or x = -2

(2x+1)²-4=0

• x = -2 or x = 3
• x = -3/2 ;x=1/2

• x = -1/2 or x = 2/2

• x = 0 or x = 4

x²+3x-2=0

• x = (-3 + √19) / 2 and x = (-3 - √19) / 2
• x = (-3 + √13) / 2 and x = (-3 - √13) / 2
• x = (-3 + √15) / 2 and x = (-3 - √15) / 2
• x = (-3 + √17) / 2 and x = (-3 - √17) / 2

-x²+3x+1=0

• x = (3 + √13) / -2 and x = (3 - √13) / -2
• x = (3 - √13) / 2 and x = (3 - √13) / -2
• x = (3 + √13) / 2 and x = (3 + √13) / -2
• x = (3 + √13) / 2 and x = (3 - √13) / 2

(x+3)²-(4x-1)²=0

• x = -1/2 or x = 3/4

• x = -3/2or x = 1/4

• x = -2/5 or x = 4/3

• x = 0 or x = 2

(x-5)²-25=0

• x = 5 or x = -5

• x = 1 or x = -1

• x = 0 or x = 10

• x = 2 or x = -2