Translate the following written expression into a mathematical expression. Then, find the expression's value when w = 6 and x = 3.
"The square of the difference of three times a number, w, and four times a number, x"
A. 900
B.6
C. 36
D. 81
Answers
Answered by
0
Answer: C-36
Explanation:
(3w-4x)^2
(3w)^2 + (4x)^2 -2 (3w) (4x) identity:(a-b)^2 = a^2 + b^2 - 2ab
18^2 + 12^2 - 2 * 18 * 12
324 + 144 - 432
468 - 432
36
Similar questions