Question

mobile set is sold for 4200 after discount of 16%. Find the marked price.​​

Answer 1

Answer:

Changes made to your input should not affect the solution:

(1): "b2" was replaced by "b^2". 1 more similar replacement(s).

STEP

1

:

Equation at the end of step 1

52a2 - b2

STEP

2

:

Trying to factor as a Difference of Squares:

2.1 Factoring: 25a2-b2

Theory : A difference of two perfect squares, A2 - B2 can be factored into (A+B) • (A-B)

Proof : (A+B) • (A-B) =

A2 - AB + BA - B2 =

A2 - AB + AB - B2 =

A2 - B2

Answer 2

Answer:

4200 multipled by 16 divided by 100