2 years ago

What is the solution set for the following equation? 3x^2+11x+10=0

Mathematics

1 answer:

USPshnik [31]2 years ago

6 0

Answer:

x= -5/3, -2

Step-by-step explanation:

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Is the line vertical or horizontal if the equation is x=-1.

m_a_m_a [10]

Answer:

the line is vertical

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2 years ago

Read 2 more answers

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

andrezito [222]

There are two ways you can do this

$Using the formula$

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

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

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

$Working backwards$

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

$\Rightarrow (x-8)(x + 1)=0$
$\Rightarrow {x}^{2} + x -8x - 8 = 0$
$\Rightarrow {x}^{2} - 7x - 8 = 0$

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2 years ago

I don't get how to work out the repeating problems, could someone explain please?

barxatty [35]