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Q: What is x² plus 7x?

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7x+x = 8x

6x+x=7x

X=4.2666666666667

x^2 +7x+12 = (x+3)(x+4) when factored

x^2 +7x+6 = (x+1)(x+6) when factored

In 7x+7, x is a variable.

The problem can be written as:46-3+7x-15 = 4243+7x-15=427x + (43-15) = 427x + 28 = 427x = 42 - 287x = 14x = 14/7 = 2

7x-4=x+2 7x=x+2+4 7x=x+6 7x-x=6 6x=6 X=1

x2 + 7x + 6 = (x + 6) (x + 1)

7x-2

9

-x2+7x+18 = (-x-2)(x-9) when factored

x2+7x x(x+7)

x2 + 7x + 10 = (x + 2)(x + 5)

(7x + 7)(x + 2) = 7x2 + 21x + 14

x2 + 7x - 8 = (x + 8)(x - 1)

x2+7x-8 = (x-1(x+8)

7x

x^2+7x-30 = (x-3)(x+10)

7x/3 = 105 7x = 315 x = 45

if its x(squared) its 7x(cubed) if its 2xX its 14x(squared)

It is (7x+3)(x+9) when factored

7x + 8

(x2 + 7x - 18) = (x + 9)(x - 2)

x^2 + 7x -18 = (x - 2)(x + 9)