ontbinden in factoren

• Wiskunde
• Middelbare school
• mavo, havo
• Leerjaar 2

Bordjes methode

y​2​​=81

y = 9 of y = -9

Kun je dit oplossen?

x​2​​−36=0

1. ja
2. nee

Kun je dit oplossen?

x​2​​+25=0

1. ja
2. nee

Ontbinden in factoren

p ( p + 2 ) = 0

p = 0 of p + 2 = 0

p = 0 of p = -2

ontbind in factoren

x​2​​+5x

1. x(1​2​​+5)
2. x(x​2​​+5)
3. x(x + 5)
4. dat kan niet

Ontbinden in factoren

Ontbinden in factoren

3-termen:

Oplossen

AxB=0, A=0 of B=0

x 12

+ -7

-3 x -4 =12

-3 + -4 = -7

Ontbinden in factoren

(q + 7)(q + 1) = 0

q + 7 = 0 of q + 1 = 0

q = -7 of q = -1

Ontbind in factoren

x​2​​+6x−16=0

1. (x+2)(x+8)=0
2. (x-2)(x+8)=0
3. (x+2)(x-8)=0
4. (x-2)(x-8)=0

Ontbind in factoren

x​2​​−20x+51=0

1. (x+3)(x+17)=0
2. (x-3)(x+17)=0
3. (x+3)(x-17)=0
4. (x-3)(x-17)=0

Ontbind in factoren

x​2​​+6x−7=0

1. (x+1)(x+7)=0
2. (x-1)(x+7)=0
3. (x+1)(x-7)=0
4. (x-1)(x-7)=0

Ontbind in factoren

x​2​​−x−6=0

1. (x+2)(x+3)=0
2. (x-2)(x+3)=0
3. (x+2)(x-3)=0
4. (x-2)(x-3)=0