BTomato4829 BTomato4829

23-07-2017
Mathematics

contestada

A particular painting is a square 3x+53x+5 inches on each side. find and expand an expression for the area of the painting. your answer should be simplified with all like terms combined. if necessary, use '∧∧' for exponents (e.g. x∧2x∧2 for x2x2).

Respuesta :

koziadam koziadam

23-07-2017

Area of square = s²

Therefore, the area of this square can be:

(3x+53x+5)²

Now let's expand this.

(3x+53x+5)²
9x² + 2809x² + 25
2818x² + 25

So yeah.

x² = x^2

Answer Link

michellegg4810 michellegg4810

11-04-2020

Answer:

x^2 -10x+25

This is the answer I got from Khan Academy

Answer Link

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