What is the limit as x approaches-1 of 7x-2x^2 ?

The limit as x approaches-1 of 7x-2x^2 is -9

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limit as x approaches-1 of 7x-2x^2

x \to - 1 lim (7 x - 2 x^{2})

- 9

Solution steps

x \to - 1 lim (7 x - 2 x^{2})

Plug in the value

x = - 1

= 7 (- 1) - 2 (- 1)^{2}

Simplify

7 (- 1) - 2 (- 1)^{2} : - 9

= - 9

y = 1 + 2 x

y^{^{''}} + 12 y^{^{'}} + 117 y = 0

\frac{d}{d x} (\frac{x}{7 x + 8})

\frac{\partial}{\partial x} (2 x - \frac{3}{x ^{2}} + y)

y = 2 - x

What is the limit as x approaches-1 of 7x-2x^2 ?
The limit as x approaches-1 of 7x-2x^2 is -9