3 years ago

3 x 5 + 9(2+ 13)

Mathematics

1 answer:

san4es73 [151]3 years ago

3 0

It hase to be le letter c

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3 years ago

Which quadratic equation has solutions x=8 and x=−1?

andrezito [222]

There are two ways you can do this

$Using the formula$

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

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

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$Working backwards$

$x = 8 \: or \: x = - 1$
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