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Juli2301 [7.4K]
3 years ago
12

Uhmmm helppppppp pls lol​

Mathematics
2 answers:
natulia [17]3 years ago
7 0

Answer:

h=81

Step-by-step explanation:

Dont know how to explain but this is the answer

Nana76 [90]3 years ago
3 0

Here's the answer

(had to screenshot sorry)

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3 years ago
2x squared + 9x=-5 i need to solve for x
In-s [12.5K]
2x^2+ 9x=-5 \\ \\2x^2 + 9x+5 =0 \\\\a=2, \ \ b=9 , \ \ c=5 \\\\\Delta =b^2-4ac = 9^2 -4\cdot 2\cdot 5 =  81-40=41 \\ \\x_{1}=\frac{-b-\sqrt{\Delta} }{2a}=\frac{-9-\sqrt{41}}{2\cdot 2 }=\frac{-9-\sqrt{41}}{ 4 }\\\\ x_{2}=\frac{-b+\sqrt{\Delta} }{2a}=\frac{-9+\sqrt{41}}{2\cdot 2 }=\frac{-9+\sqrt{41}}{4 }
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