4 years ago

Jesse picks up two more cards, but they do not affect his overall point total.

Mathematics

1 answer:

marin [14]4 years ago

8 0

I need more info to answer this question.

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How do i solve x^2+7x=3x

valina [46]

To solve, you must make one side of the equation equal to zero. We can do this by subtracting 3x on both sides of the equation.

<span>x^2 + 7x = 3x
</span> - 3x -3x

x^2 + 4x = 0.

Then we substitute the equation into the quadratic equation.

$\frac{-b+- \sqrt{b^2-4ac} }{2a}$

Where a = 1 b = 4 and c = 0

$\frac{-(4)+- \sqrt{(4)^2-4(1)(0)} }{2(1)}$

We first solve whats inside the square root.

$\frac{-(4)+- \sqrt{16} }{2(1)}$

$\sqrt{16} = 4$

Now we solve for -4 and 4.

$-4 - 4 = -8$
$-4+4=0$

Then divide both answer by 2

$\frac{-8}{2} = -4$
The division of any by zero is zero

So the answer are x = -4 and x = 0

7 0

4 years ago

Read 2 more answers

A sweatshirt is $67.50, if

lesya692 [45]

Answer:

a. $3.36

b. $70.86

Step-by-step explanation:

5% of $67.50 is $3.36

$67.50 + $3.36 = $70.86

4 0