bawi
bawi
18-02-2016
Mathematics
contestada
V mm e H 1 3 H m mtg a V g
Respuesta :
apologiabiology
apologiabiology
18-02-2016
so I'm guesing something to do with the letters V,G and the number 13
I can't see the V or G option but I can solve question 13
so we have 8p^2+2p-15=0
factor
first find the factors of the leading term's coeficient
8=2 times 4
(2p )(4p )
now find factors of last term and put the ones closest together
-15= 3 and -5
(2p+3)(4p-5)
multiply
8p^2+12p-10p-15
8p^2+2p-15
correct
8p^2+2p-15=0
(2p+3)(4p-5)=0
therefor
2p+3=0 and
4p-5=0
solve
2p+3=0
subtract 3
2p=-3
divide 2
p=-3/2
4p-5=0
add 5
4p=5
divide 4
p=5/4
{[tex] \frac{-3}{2}, \frac{5}{4} [/tex]}
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