Essay: Show all work. A gardener wants to create a rectangular garden with length of 3x - 3y ft. and width of x - 5y ft. What is an algebraic expression for the area of the garden? Be sure to multiply this out, express in simplest correct mathematical form, and include units.
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OpenStudy (saifoo.khan):
(3x-3y)(x-5y)
OpenStudy (saifoo.khan):
\[\Huge 3 x^2-18 x y+15 y^2 \]
OpenStudy (anonymous):
Yes I LOVE MATH!!!
OpenStudy (mimi_x3):
LOL
I h8 maths xD
OpenStudy (mimi_x3):
Selena*
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OpenStudy (anonymous):
She's tired. Math wore her out
OpenStudy (saifoo.khan):
np, u r there to help her.
Both female friends can help each other in math!
OpenStudy (anonymous):
Roger that!
OpenStudy (saifoo.khan):
;)
OpenStudy (anonymous):
(3x – 3y)(x – 5y)
3x * x = 3x^2 Multiply two first terms
3x * -5y = -15xy Multiply two outer terms
-3y * x = -3yx Multiply two inner terms
-15xy combines with -3yx to give -18xy
-3y * -5y = 15y^2 Multiply two last terms
The final answer is
3x^2 -18xy + 15y^2