x^2+(x+7)(x+7)=25

Simple and best practice solution for x^2+(x+7)(x+7)=25 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+(x+7)(x+7)=25 equation:


Simplifying
x2 + (x + 7)(x + 7) = 25

Reorder the terms:
x2 + (7 + x)(x + 7) = 25

Reorder the terms:
x2 + (7 + x)(7 + x) = 25

Multiply (7 + x) * (7 + x)
x2 + (7(7 + x) + x(7 + x)) = 25
x2 + ((7 * 7 + x * 7) + x(7 + x)) = 25
x2 + ((49 + 7x) + x(7 + x)) = 25
x2 + (49 + 7x + (7 * x + x * x)) = 25
x2 + (49 + 7x + (7x + x2)) = 25

Combine like terms: 7x + 7x = 14x
x2 + (49 + 14x + x2) = 25

Reorder the terms:
49 + 14x + x2 + x2 = 25

Combine like terms: x2 + x2 = 2x2
49 + 14x + 2x2 = 25

Solving
49 + 14x + 2x2 = 25

Solving for variable 'x'.

Reorder the terms:
49 + -25 + 14x + 2x2 = 25 + -25

Combine like terms: 49 + -25 = 24
24 + 14x + 2x2 = 25 + -25

Combine like terms: 25 + -25 = 0
24 + 14x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(12 + 7x + x2) = 0

Factor a trinomial.
2((4 + x)(3 + x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(4 + x)' equal to zero and attempt to solve: Simplifying 4 + x = 0 Solving 4 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + x = 0 + -4 x = 0 + -4 Combine like terms: 0 + -4 = -4 x = -4 Simplifying x = -4

Subproblem 2

Set the factor '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

Solution

x = {-4, -3}

See similar equations:

| P=6r+3p+4r+p+2r+-2p+2r+-p+5p+-3r+5p+-3r | | 5x^2-29x+45=0 | | 5x^2+12x+7=0 | | -7u+20=4(u-6) | | 3x^3+17x^2+18x+8=0 | | 4w+6=28 | | 9-4b=1 | | 6+7y=27 | | 5nr=6a | | 5p-2(1-pq)= | | 156-6x=21x+15 | | 8-7x=213-42x | | (22x+12)=8 | | -97-8x=8x+15 | | 83-2x=3x+18 | | 2-6x=9-7x | | (2x+1)(5x+6)= | | 7+9x=31+x | | 4x+16=12x-56 | | (x-7)(x-7)= | | 8x-23=3x+2 | | (n+5)=8n+40 | | 3(w+1)+11=2(w+8) | | 3(m-4)=2m+3 | | 7x+35=x | | 2y+7=4y-5 | | 6(2-3x)=11(3-x) | | 2(x-7)+3=7+4(x-2) | | -88=5x+12 | | 2x^2+7x+4=0 | | 81x^4-x^2=0 | | -3(x+2)=5x+7 |

Equations solver categories