SOLUTION: find the area of a square with side s = 2x + 3. a. 4x2 +9 b. 2x2 + 6x +9 c. 4x2 + 6x +9 d. 4x2 + 12x + 9

Algebra.Com
Question 69148: find the area of a square with side s = 2x + 3.
a. 4x2 +9
b. 2x2 + 6x +9
c. 4x2 + 6x +9
d. 4x2 + 12x + 9

Answer by checkley75(3666)   (Show Source): You can put this solution on YOUR website!
A SQUARE AREA=SIDE*SIDE. THUS
(2X+3)(2X+3) USING THE FOIL METHOD WE GET
4X^2+6X+6X+9 OR
4X^2+12X+9 OR ANSWER D).

RELATED QUESTIONS

find the area of a rectangle with length, l = 2x + 3 and width, w = 2x - 3 a. 4x2 b.... (answered by Earlsdon)
Which of the following is a perfect square trinomial? 4x2 + 8x + 16 x2 +9x + 9... (answered by bucky)
4x2-3=9 (answered by ad_alta)
Combine like terms: 6X2 + 3X -2 + 2X2 – X + 7 A) 10X + 5 B) 8X2 + 2X + 5 C) 4X2 (answered by checkley71)
1. Show how to split the x term so that factorization can occur (Complete the square)... (answered by JellyBeans)
solve 4x2-9/2x+3... (answered by lynnlo,MathTherapy)
13 (4x2−12+9) (answered by rfer)
Find a quadratic model for the set of values. (–2, –20), (0, –4), (4, –20) A. y... (answered by oscargut)
Find the product: a. (2x - 3) (4x2 - 6x + 3) b. t(t2 - 2) 2 (squared) (answered by funmath)