kfritz26
Answered

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Please! please! Anyone could help me with 8th Grade Math?!?
Examine the following quadratic. trinomoial:

x
2
+
6
x
−
40
x
2
+6x−40

Explain how you know it will factor into (x + 10)(x - 4). In your explanation, you should be to say why the last term is -40 and why the middle term is 6x.

Sagot :

TictokGlodenMaster

Answer:

How do you find the sum of factors of a quadratic equation?

Let r and s be the factors for the quadratic equation such that x^2+Bx+C=(x−r)(x−s) where sum of factors (r+s)=−B and the product of factors rs = C r = -2 - u s = -2 + u Two numbers r and s sum up to -4 exactly when the average of the two numbers is \frac{1}{2}*-4 = -2.

How do you solve a quadratic equation?

Quadratic equations such as this one can be solved by completing the square. In order to complete the square, the equation must first be in the form x^{2}+bx=c.

Step-by-step explanation:

Answer:

it is not a quadratic equation

Step-by-step explanation:

look at the picture

View image eka639krenovice
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