Question

82. Ram can evaluate 50 papers in 10 hours while both Ram & Sham can evaluate 70 papers in 10 hours. Then how many hours required for B to evaluate 26 papers?
A) 13hrs
B) 18hrs
C) 12hrs
D) 15hrs​

Answer 1

Step-by-step explanation:

Simplify

Let's simplify step-by-step.

x2−x−(2+2k)

Distribute the Negative Sign:

=x2−x+−1(2+2k)

=x2+−x+(−1)(2)+−1(2k)

=x2+−x+−2+−2k

Answer:

=x2−2k−x−2