How do you factor completely $4x^2-49$ ?

Question

1528 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-05-30T21:38:00

$(2x + 7)(2x + 7)$

This is factored using the difference of 2 squares.

$x^2 - y^2 = (x + y)(x - y)$

$(2x + 7)(2x + 7)$

How do you factor completely 4x^2-494x^2-49?