Solution: Multiply the following: (2x + 5y)(5x - 2y)

Multiply the following: (2x + 5y)(5x - 2y). How to solve the product of two binomial?

Multiply the following: (2x + 5y)(5x - 2y)

Problem Statement: EE Board April 1997

Multiply the following: (2x + 5y)(5x - 2y)
  • A. 10x2 – 21xy + 10y2
  • B. -10x2 + 21xy + 10y2
  • C. 10x2 + 21xy - 10y2
  • D. -10x2 - 21xy - 10y2

Problem Answer:

The product is equal to 10x^2 + 21xy - 10y^2.

Solution:

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