Question

factorise - x^2 - (b-2) x-2b​

Answer 1

Answer:

x2-2x +bx-2b

(x+b)(x-2)

Answer 2

Answer:

Distribute

2

−

(

−

2

)

⋅

−

2

x^{2}-{\color{#c92786}{(b-2) \cdot x}}-2b

x2−(b−2)⋅x−2b

2

−

(

−

2

)

−

2

x^{2}-\left({\color{#c92786}{bx-2x}}\right)-2b

x2−(bx−2x)−2b

2

Distribute

2

−

(

−

2

)

−

2

x^{2}-\left(bx-2x\right)-2b

x2−(bx−2x)−2b

2

−

⋅

+

2

−

2

x^{2}-b \cdot x+2x-2b

x2−b⋅x+2x−2b

3

Rearrange terms

2

−

⋅

+

2

−

2

{\color{#c92786}{x^{2}-b \cdot x+2x-2b}}

x2−b⋅x+2x−2b

2

−

⋅

−

2

+

2

{\color{#c92786}{x^{2}-b \cdot x-2b+2x}}

x2−b⋅x−2b+2x

Solution

2

−

⋅

−

2

+

2

Step-by-step explanation:

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