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4 years ago

Show the steps for 4x + x^2 + 4

Mathematics

2 answers:

Artist 52 [7]4 years ago

7 0

Answer:

hdhdhdbsjdjdjdjdnxjdjdjdjsjjsshhshshs

SIZIF [17.4K]4 years ago

6 0

Answer:

The answer is (x+2)^2

Step-by-step explanation:

Step 1: Use the commutative property (meaning it can be moved or swapped from its position without making any difference to the answer).

x^2+4x+4

Step 2: Using x^2+4x+4 as a factor of the expression.

x^2+4x+4 = (x+2)^2

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masya89 [10]

Let

$P=(P_x,P_y),\quad Q=(Q_x,Q_y)$

If M is the midpoint, the x and y coordinates of M are the average of the x and y coordinates of P and Q:

$M=\left(\dfrac{P_x+Q_x}{2},\ \dfrac{P_y+Q_y}{2}\right)$

We can solve this expression for the coordinates of Q:

$M_x = \dfrac{P_x+Q_x}{2} \implies Q_x = 2M_x-P_x$

$M_y = \dfrac{P_y+Q_y}{2} \implies Q_y = 2M_y-P_y$

Plug in the values for the coordinates of M and P to get

$Q_x = 2M_x-P_x = 2\cdot 5-11 = 10-11=-1$

$Q_y = 2M_y-P_y = 2\cdot (-2) - (-10) = -4+10=6$

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Your equation is Y=mx+b, and b is the Y-Intercept

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