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Q: 19 Solve this equation y 9 plus 5 0?

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If you mean: 3x+2y+6 = 0 then it is y = -1.5x-3 as a straight line equation

correct anser is C ; y=-45

(4 ± i2) where i2 = -1

2z+6z+24=0 8z+24=0 8z= -24 z= - 3

if it is =0, you can divide the whole equation by 5 to leave 2y+3=0

3x2 + 17x + c = 0, rearranging gives c = -3x2 - 17x

There is no equation (nor inequality) in the question. There is also no unknown variable. So there is nothing to solve.

Using the quadratic equation formula:- x = 3.795831523 or x = -5.795831523

The equation has no solution. Since if you combine like terms, you get 0=-10 which isn't true, there are no solutions to the equation.

6x + 5 = 0 (I'm assuming) 6x = -5x = -5/6

If you mean: x squared+9x+14 = 0 then by using the quadratic equation formula x = -2 or x = -7

You would set the equation equal to 0 and then solve for x. You may get one or several answers for x, x being the number(s) that make the equation equal 0.

1 + 19 + 0 + 1 = 21

2x+3x-2=0=5x=0+2=5x=2=5x_5=2_5=x=0.4

By using the quadratic equation formula: x = -5 and x = 3

(2-r)e-rr

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

s^2 +4x -21 = 0 is a quadratic equation and by using the quadratic equation formula its solutions are s = 3 or s = -7

Solve f(x) =0 or y = 0 (depending on how the equation is given).

I suggest you use the quadratic formula. In this case, a = 1, b = 5, c = 3.

It cannot be solved because the discriminant of the quadratic equation is less than zero

x2-8x+12 = 0 (x-2)(x-6) = 0 x = -2 or x = -6

That is not a correct equation. The numbers on the left equal -16, not 0. This is an equation with no solution.

x2+x-15 = 0 Using the quadratic equation formula: x = 3.405124838 or x = -4.405124838

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