1. 140m^2 is the rectangular garden and 4m is its width
2.the dimensions
3.let l be the length and w for the width (or let l represent the length and w represent the width)
4.quadratic formula/equation [correct me if im wrong]
5
L×W=140
(W+4) W = 140
W^2+4W = 140
Subtract each side by 140
W^2+4W - 140 = 140-140
W^2+4W - 140 = 0
Factor
(W+14) (W-10) = 0
W=-14 W=10
Negative -14 will change into positive cause we're finding dimension
So length is 14 and width is 10
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Answers & Comments
1. 140m^2 is the rectangular garden and 4m is its width
2.the dimensions
3.let l be the length and w for the width (or let l represent the length and w represent the width)
4.quadratic formula/equation [correct me if im wrong]
5
L×W=140
(W+4) W = 140
W^2+4W = 140
Subtract each side by 140
W^2+4W - 140 = 140-140
W^2+4W - 140 = 0
Factor
(W+14) (W-10) = 0
W=-14 W=10
Negative -14 will change into positive cause we're finding dimension
So length is 14 and width is 10