3,-2 would be the answer find the roots first <span><span> </span><span><span><span><span> y(x)=x^2-6x+7</span></span></span></span>s<span><span> <span>
Find roots
complete the square by taking half of the , square it,
then add it to both sides
and so on..
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We know that she spent $39, and has 3/4 of the original amount left. Our goal is to find the original amount. We can use the equation. x - 39 = 3/4x. Once we subtract x on the left hand side, we get -39 = -1/4x. Once we multiply -39 by -4, we get 146. She originally had $156.
Multiplying the linear expressions, the correct sequence is given as follows:
<h3>How are linear expressions multiplied?</h3>
They are multiplied applying the distributive property, in which all the terms are multiplied and the like terms are combined.
Hence:
5x(-3 -7x)
(5x)(-3) + (5x)(-7x)
-15x - 35x²
Hence the last option is correct.
More can be learned about the multiplication of linear expressions at brainly.com/question/14758247
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Compose an equation
2/5x=3/20
Then solve
8/20x=3/20
8x=3
x=3/8
I might be wrong