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# X2 plus 11x plus 11 equals 7x plus 9?

Updated: 4/28/2022 Wiki User

13y ago

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 Wiki User

13y ago   Earn +20 pts
Q: X2 plus 11x plus 11 equals 7x plus 9?
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Still have questions?  Related questions

### What is the quadratic of this equation x2 plus 11x plus 11 equals 7x plus 9?

x2+11x+11 = 7x+9 x2+11x-7x+11-9 = 0 x2+4x+2 = 0 The above quadratic equation can be solved by using the quadratic equation formula and it will have two solutions.

### 7x plus 8 equals 11x plus 3 equals what?

7x + 8 = 11x + 3, solve for xsubtract 7x from both sides8 = 11x - 7x + 38 = 5x + 3subtract 3 from both sides5 = 5xdivide both sides by 51 = x.

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11x - 21 = 7x + 3 4x = 24x = 6

x=4 x=0

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If: 11x+25 = 7x+15 then there is only one solution and it is x = -2.5

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11x+9=7x+21 11x-7x=4 4x+9=21 21-9=12 4x=12 12 divided by 4= 3 x=3

### What is 11x equals 7x plus 12?

It is a linear equation in a single variable, x.

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x=3 actually its 7

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11x + 2 = 26 + 7x Subtract 7x from both sides: 4x + 2 = 26 Subtract 2 from both sides: 4x = 24 Divide both sides by 4: x = 6

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4x + 8 + 7x + 12 = 11x + 20

### What is 4x plus 6 equals -82 -7x in maths?

4x + 6 = -82 - 7X add 7X to each side 4X + 7X + 6 = -82 -7X + 7X 11X + 6 = -82 subtract 6 from each side 11X + 6 - 6 = -82 - 6 11X = -88 divide both sides by 11 X = -8 check in original equation 4(-8) + 6 = -82 - 7(-8) -32 + 6 = -82 + 56 -26 = -26 checks