Question

factorise 2✓2x^2-x-5-5✓2​

Answer 1

Step-by-step explanation:

Given,

x

2

2

−

x

5

+2=0

2−5x+2x

2

=0

2x

2

−5x+2=0

(x−2)(2x−1)=0

x=2,

2

1

Given,

x

1

−

x−2

1

=3

x−2−x=3(x)(x−2)

−2=3x

2

−6x

3x

2

−6x+2=0

x=

2⋅3

−(−6)±

(−6)

2

−4⋅3⋅2

=

6

6±

12

=

6

2(3±

3

)

x=