(x^2+8x+7)(x^2+8x+15)=9

Simple and best practice solution for (x^2+8x+7)(x^2+8x+15)=9 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for (x^2+8x+7)(x^2+8x+15)=9 equation:


Simplifying
(x2 + 8x + 7)(x2 + 8x + 15) = 9

Reorder the terms:
(7 + 8x + x2)(x2 + 8x + 15) = 9

Reorder the terms:
(7 + 8x + x2)(15 + 8x + x2) = 9

Multiply (7 + 8x + x2) * (15 + 8x + x2)
(7(15 + 8x + x2) + 8x * (15 + 8x + x2) + x2(15 + 8x + x2)) = 9
((15 * 7 + 8x * 7 + x2 * 7) + 8x * (15 + 8x + x2) + x2(15 + 8x + x2)) = 9
((105 + 56x + 7x2) + 8x * (15 + 8x + x2) + x2(15 + 8x + x2)) = 9
(105 + 56x + 7x2 + (15 * 8x + 8x * 8x + x2 * 8x) + x2(15 + 8x + x2)) = 9
(105 + 56x + 7x2 + (120x + 64x2 + 8x3) + x2(15 + 8x + x2)) = 9
(105 + 56x + 7x2 + 120x + 64x2 + 8x3 + (15 * x2 + 8x * x2 + x2 * x2)) = 9
(105 + 56x + 7x2 + 120x + 64x2 + 8x3 + (15x2 + 8x3 + x4)) = 9

Reorder the terms:
(105 + 56x + 120x + 7x2 + 64x2 + 15x2 + 8x3 + 8x3 + x4) = 9

Combine like terms: 56x + 120x = 176x
(105 + 176x + 7x2 + 64x2 + 15x2 + 8x3 + 8x3 + x4) = 9

Combine like terms: 7x2 + 64x2 = 71x2
(105 + 176x + 71x2 + 15x2 + 8x3 + 8x3 + x4) = 9

Combine like terms: 71x2 + 15x2 = 86x2
(105 + 176x + 86x2 + 8x3 + 8x3 + x4) = 9

Combine like terms: 8x3 + 8x3 = 16x3
(105 + 176x + 86x2 + 16x3 + x4) = 9

Solving
105 + 176x + 86x2 + 16x3 + x4 = 9

Solving for variable 'x'.

Reorder the terms:
105 + -9 + 176x + 86x2 + 16x3 + x4 = 9 + -9

Combine like terms: 105 + -9 = 96
96 + 176x + 86x2 + 16x3 + x4 = 9 + -9

Combine like terms: 9 + -9 = 0
96 + 176x + 86x2 + 16x3 + x4 = 0

The solution to this equation could not be determined.

See similar equations:

| 5(a-4)=4(a+7)+9a | | 5b-8=13-2b | | -6(4t)=12t | | xy+2x-y=13 | | 1/4x-3/7=2/7x-1/4 | | (12+x)(14+x)=288 | | 3(x-4)=2(2x+8) | | 3q^2-54q+451= | | y+4=-1.8(x+9) | | (4/7)(5/9) | | 11y/12-4=6-4 | | x-62500=31250 | | 3(x-4)=2(2x+7)+9a | | 3(3a+4)=15 | | 11y/12-4=6-3y/4 | | Log(36)*x=1/2 | | 2y-12=3x | | -6p-8=-50 | | 104=3y+3 | | 4z/7-9=-8 | | y=x^2-9x-5 | | x*6+162=x*12-12 | | 4x-3=2(x+y) | | 2x^2-50=16 | | y=2x+4and | | 104=3y+3+4y | | 10x-16=8x+11 | | (x-3)(x+9)(x+5)(x-7)=385 | | 8+x^9=14 | | 7x+3=3(4x-2) | | 6x-3=10x+11 | | Z/7-1=10 |

Equations solver categories