Question

1) 21x2 - 29x - 10 = 0​

Answer 1

Answer:

Explanation:

21

x

2

+

29

x

−

10

21

x

2

+

35

x

−

6

x

−

10

7

x

(

3

x

+

5

)

−

2

(

3

x

+

5

)

(

3

x

+

5

)

(

7

x

−

2

)

∴

Factors of above equation are

3

x

+

5

and

7

x

−

2

.

Answer 2

Answer:

x=-5/3 or x=-2/7

Step-by-step explanation:

21x²+35x-6x-10=0

7x(3x+5)-2(3x+5)=0

3x+5 or 7x-2=0

3x+5=0 or 7x-2=0

x=-5/3 or x=-2/7