Answer:
5/4
Step-by-step explanation:
a=lw
l= 2x
w= 4x+5
a= 2x(4x+5)
a= 8x²+10x
a= x(8x+10)
a=
x=0, 8x+10=0
[8x=-10] (1/8)
x=-5/4
|x=-5/4|
x=5/4
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Answers & Comments
Answer:
5/4
Step-by-step explanation:
a=lw
l= 2x
w= 4x+5
a= 2x(4x+5)
a= 8x²+10x
a= x(8x+10)
a=
x=0, 8x+10=0
[8x=-10] (1/8)
x=-5/4
|x=-5/4|
x=5/4