Question

-3/7 x 2/5 + 2/5 - 2/7 x 3/5

Answer 1

Answer:

(x+6)(x−6)−(x−5)

2

=40−17(x−2)

⇒x

2

−36−(x

2

−10x+25)=40−17x+34⇒x

2

−36−x

2

+10x−25=40−17x+34

⇒10x+17x=40+34+36+25

⇒27x=135

⇒x=

27

135

⇒x=5

Check : Putting x=5

LHS =(5+6)(5−6)−(5−5)

2

=11×(−1)−0=−11

RHS =40−17(5−2)=40−17×3=40−51=−11= LHS

Hence, x=5.

Answer 2

ANSWER:

-3/7×2/5+2/5-2/7×3/5

APPLY BODMAS RULE

-6/35+2/5-6/35

-6+14/35 -6/35

8/35-6/35

2/35= 17.5