Science

Math

Humanities

... and beyond

Socratic Meta
Featured Answers

Topics

Question #fa566

1 Answer

Sep 21, 2016

The Exp. $= (x + 4) (3 - x)$ $=(x+4)(3-x)$ .

Explanation:

Let $x + 4 = m$ $x+4=m$

Then, the Exp. $= 3 m - x m = m (3 - x)$ $=3m-xm=m(3-x)$

Replacing $m$ $m$ by $x + 4$ $x+4$ , we get,

The Exp. $= (x + 4) (3 - x)$ $=(x+4)(3-x)$ .

Related questions

See all questions in Factorization of Quadratic Expressions

Impact of this question

1126 views around the world

You can reuse this answer
Creative Commons License