x2 + 10x = 18
x2 + 2(5)x - 18 = 0
x2 + 2(5)x + 25 = 18 + 25
(x + 5) 2 = 43
x + 5 = 430.5
x=6.56(3sf)-5
The first step would be to find the equation that you are trying to solve!
It depends on which variable you wish to solve for.
X2+11x+11 = 7x+9 X2+11x-7x+11-9 = 0 x2+4x+2 = 0 Solve as a quadratic equation by using the quadratic equation formula or by completing the square: x = -2 + or - the square root of 2
Completing the square is one method for solving a quadratic equation. A quadratic equation can also be solved by factoring, using the square roots or quadratic formula. Solving quadratic equations by completing the square will always work when solving quadratic equations-You can also use division or even simply take a GCF, set the quantities( ) equal to zero, and subtract or add to solve for the variable
I think it is 3.14 that equals to pi when u solve it
This quadratic equation has no solutions because the discriminant is less than zero.
The first step would be to find the equation that you are trying to solve!
I couldn't answer the question because the question is not proper to slove. I just want you to follow the related link that explains how to solve the equation by completing the square.
i want to solve few questions of completing square method can u give me some questions on it
It cannot be solved because the discriminant of the quadratic equation is less than zero
It depends on which variable you wish to solve for.
Take the square root of both sides of the equation
Yes, it won't be exact, but you can round the number to get a close estimate.
w^2 +/- 28w - 1 is an expression, not an equation. Expressions do not have solutions.
Four? Factoring Graphing Quadratic Equation Completing the Square There may be more, but there's at least four.
7r2 = 70r-175 Rearrange the equation and treat it as a quadratic equation: 7r2-70r+175 = 0 Divide all terms by 7: r2-10+25 = 0 Solve by factoring or using the quadratic equation formula or by completing the square: (r-5)(r-5) x = 5 and x also = 5 (they both have equal roots)
It is not an equation if it does not have an equals sign. You could simplify it but not solve it.