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Q: How do you solve x squared-x-6 over x squared-4 if x2?

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x2 = 6482 = 64x = 8

x: x2 - 81 = 0

please help on this x2+6x+27=

x2+7x+12

x2-64 = (x-8)(x+8)

it is not an equation (there no equality in it!)

x=18

do you mean, x2 = n?? Take the square root.

-142

144X = X2 144X - X2 = 0 (144 - X)X = 0 X = 0 or X = 144

Divide both sides of the equation by x: x2 = 9x x2 / x = 9x / x x = 9

You cannot, in general, solve one equation with two unknown variables. x - y = x - x2 Subtract x from both sides: - y = - x2 Change signs: y = x2 And that is as far as you can go.

x2 = 144 Take square roots of both sides: x = Â± 12

This is an expression and you do not solve an expression, but you can factor this one.X2 + 3X4X2(1 + 3X2)========

Um.......is it x2+6x or x2-6x. I think your missing some things here champ

The quadratic formula cannot be used to solve an equation if the coefficient of the equation's x2-term is 0.

-130

X(X2 - X)

When the co-efficient of x2 is 1

Average speed is equal to displacement over time, so the formula would be: vavg = (x2 - x1) / (t2 - t1).

4

Points: (x1, y1) and (x2, y2) Slope: y1-y2/x1-x2

To solve for x: x2 = 11x - 10 x2 - 11x = -10 x2 - 11x + 10 =0 (x - 1)(x - 10) = 0 x = {1, 10)

5

You will need to use the FOIL formula to solve this type of equation.