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The video I watched was about factoring. For me, factoring is the easiest because its a lot of mental math and it isn't hard. In the video, the narrator explains that factoring is breaking down the equation. So it involves a lot of mental dividing unless you want to write it out even though there is no point of writing the division out because if you cant do it in your head you cant factor it. Factoring is simplifying the equation into sets of parenthesis and divide the question into two parts so that you can reverse it and make it back into the original

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x2 - 8x + 5 = 0
x2 - 8x + 16 - 16 +5 = 0
(x - 4)2 - 11 = 0
(x - 2) 2 = 11
x - 4 = + - 11
x = 4 + - 11

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In this module we have multiple new concepts. Some of them are the equations I showed but we also used a whole new way of graphing and a new shape to graph. The new way of graphing was using the vertex formula and the shape comes out by the points you plug into x and y to get the graph. Also completing the square was a new concept. Another new concept we learned was factoring. That doesnt really have anything to do with the graphs unless you use it to change one equation to another. Factoring works by putting having a equation and factoring it out into two sets of parenthesis.

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An equation i thought was really easy was the equation to complete the square. But we also learned Vertex form and standard form.
Completing the Square:

1. Step 1 Divide all terms by a (the coefficient of x2).

2. Step 2 Move the number term (c/a) to the right side of the equation.

3. Step 3 Complete the square on the left side of the equation and balance this by adding the same value to the right side of the equation.

Vetex: This equation is used to help you graph a parabola and you can use standard form to graph a parabola too. This form is pretty easy to use when finding your points and your graph
Standard: Can be used to find the graph but in my opinion is harder then using vertex form.

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quadratic expressions
binomial: an algebraic expression of the sum or the difference of two terms.
factoring
coefficients: a numerical or constant quantity placed before and multiplying the variable in an algebraic expression