Answer:
Let W be the width
w+4 be the length
A = length times width
21 = (w+4)(w)
21 = w²+4w
21-21 = w²+4w -21
0 = w²+4w -21
0= (w+7)(w-3)
w+7 = 0 or w-3 = 0
w+7-7 = 0-7
w = -7
OR
w-3+3 = 0+3
w = 3
Answer: The width of the rectangle is 3 and the length is 7 .
Yan po ang mga sagot pasunod po yan, ilagay nyo po tan don sa box , sa my PLACE YOUR ORDER HERE.
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Answer:
Let W be the width
w+4 be the length
A = length times width
21 = (w+4)(w)
21 = w²+4w
21-21 = w²+4w -21
0 = w²+4w -21
0= (w+7)(w-3)
w+7 = 0 or w-3 = 0
w+7-7 = 0-7
w = -7
OR
w-3+3 = 0+3
w = 3
Answer: The width of the rectangle is 3 and the length is 7 .
Yan po ang mga sagot pasunod po yan, ilagay nyo po tan don sa box , sa my PLACE YOUR ORDER HERE.