For each x intercept the corresponding factor can be deduced. For x intercepts given at 1,2,3 , the equation can be written as
y= (x-1) (x-2) (x-3)
Because x=1 therefore x-1=0 , similarly x=2 , x-2=0 and , x=3 , x-3=0
or
y= x²+2x-3 (x-3)
or
y= x³+2x²-3x-3x²-6x+9
y= x³-x²-9x+9
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The answer is D because to find the slope of a line that is perpendicular to another, you have to find the opposite reciprocal. so here the slope would be -1/4. now, take that slope and put it into an equation. like the following:

now to find b you must insert the points into the equation (plug in 4 for x, and 15 for y).

b then equals 16. so, the answer is D.
Answer:
factorize form of the equation is
, where 
Step-by-step explanation:
Given Equation:
Adding the terms of 'x' and taking constants on the other side.

The sign of the constant will change on changing the side of it.



So, the value of 'x' is 1
The factorized form of the equation can be made by taking the common value from the equation i.e


ANSWER
E. 10 and 640
EXPLANATION
The given series is

To find the first term of the series we substitute i=1 to get,


For the last term of the series, we substitute i=4 to obtain,


This implies that,

Therefore the correct answer is E