2 years ago

Pls help

Mathematics

2 answers:

Andru [333]2 years ago

7 0

Answer:

Step-by-step explanation:

K=2J-3

ss7ja [257]2 years ago

6 0

Answer:

2x-3

Step-by-step explanation:

Twice as much as Julie: 2 x ? = 2x

3 less than: -3

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andrezito [222]

There are two ways you can do this

$Using the formula$

${x}^{2} - (sum \: of \: roots)x + poduct \: of \: roots = 0$

${x}^{2} - (8+-1)x + - 1 \times 8 = 0$

${x}^{2} - 7x - 8 = 0$

$Working backwards$

$x = 8 \: or \: x = - 1$
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$\Rightarrow (x-8)(x + 1)=0$
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