answersLogoWhite

0


Best Answer

Taking the equation to be y=ax2 + bx +c , and using the formula x = -b plus/minus sqrt (b2-4ac), all over 2a: x = (-3+21)/12 or (-3-21)/12 so x = 1.5 or -2

User Avatar

Wiki User

14y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Solve 6x2 plus 3x -18 equals 0 using quadratic formula?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

How do you solve 0 equals x squared minus ten x plus 16?

Solve using the quadratic formula


Solve this quadratic equation x2 plus 2x - 22 equals 0?

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


How do you solve x squared minus ten x plus six equals zero?

It can be solved by using the quadratic equation formula.


Solve the following equation using the quadratic formula. -5X2 equals -7X plus 6?

X= (3/5 , -2)


Solve a2 plus 30a plus 56 equals 0?

a2+30a+56=0 , solve for a Using the quadratic formula, you will find that: a=-2 , a=-28


How do you formulate quadratic equation that can be solve by extracting square roots?

By using the quadratic equation formula


How would you solve 2x2 plus 4x - 30 equals 0?

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


Solve this quadratic equation using the quadratic formula?

For any quadratic ax2 + bx + c = 0 we can find x by using the quadratic formulae: the quadratic formula is... [-b +- sqrt(b2 - 4(a)(c)) ] / 2a


How do you solve 2x squared - 36x by using a quadratic formula?

-34


Solve this quadratic equation using the quadratic formula 2x2 - 10x plus 7 equals 0?

2x2-10+7 = 0 Solving the quadratic equation using the quadratic formula will give you two solutions and they are: x = (5 - the square root of 11)/2 or x = (5 + the square root of 11)/2


How do you solve this equation to the nearest hundredth x squared -7x -12 equals 0?

Using the quadratic equation formula: x = 8.42 or x = -1.42


Solve X2 plus -2x -5.25 equals 0?

x = 7/2 and also x = -3/2 by using the quadratic equation formula.