0=x^2+7x-98

Simple and best practice solution for 0=x^2+7x-98 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 0=x^2+7x-98 equation:


Simplifying
0 = x2 + 7x + -98

Reorder the terms:
0 = -98 + 7x + x2

Solving
0 = -98 + 7x + x2

Solving for variable 'x'.

Combine like terms: 0 + 98 = 98
98 + -7x + -1x2 = -98 + 7x + x2 + 98 + -7x + -1x2

Reorder the terms:
98 + -7x + -1x2 = -98 + 98 + 7x + -7x + x2 + -1x2

Combine like terms: -98 + 98 = 0
98 + -7x + -1x2 = 0 + 7x + -7x + x2 + -1x2
98 + -7x + -1x2 = 7x + -7x + x2 + -1x2

Combine like terms: 7x + -7x = 0
98 + -7x + -1x2 = 0 + x2 + -1x2
98 + -7x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
98 + -7x + -1x2 = 0

Factor a trinomial.
(7 + -1x)(14 + x) = 0

Subproblem 1

Set the factor '(7 + -1x)' equal to zero and attempt to solve: Simplifying 7 + -1x = 0 Solving 7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1x = 0 + -7 -1x = 0 + -7 Combine like terms: 0 + -7 = -7 -1x = -7 Divide each side by '-1'. x = 7 Simplifying x = 7

Subproblem 2

Set the factor '(14 + x)' equal to zero and attempt to solve: Simplifying 14 + x = 0 Solving 14 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-14' to each side of the equation. 14 + -14 + x = 0 + -14 Combine like terms: 14 + -14 = 0 0 + x = 0 + -14 x = 0 + -14 Combine like terms: 0 + -14 = -14 x = -14 Simplifying x = -14

Solution

x = {7, -14}

See similar equations:

| .5x+17=13 | | X^(3/10)=4.8 | | 2/7=19/x= | | [x-(5-i)][x-(5+i)]=0 | | 6/7y-8/3=-5/2 | | fx=3 | | 2/3u-8/5=-3/2 | | 3(2+x)=x-8 | | m^(2)-(7)/(2)m-6=-5 | | 5s-42=18 | | -2(-9w+5)-w=3(w-2)-8 | | [x-(-6-5i)][x-(-6+5i)]=0 | | 4x+12=37-3x | | 9j-8=-4j+5 | | 7+7x=-11+8 | | t(9t-4)=0 | | -1+6p=10p-9+4p | | 2x+6=6-1 | | 3.1=5.9-4.0x | | X+4=X^2 | | 135=(2x-1)(x+1) | | 4/3*x-1/2=0 | | 2.5=7.9-6.0x | | (2.5x10^9)/(5x10^3) | | 4X+5=X^2+4X+4 | | N-(-109.3)=183.6 | | Y^16xy^2/y^4 | | mk-mn=gs | | 4v^2-15v+18=0 | | -5y-10=-4y | | -9r+3r-7-8= | | 5/8-1/4*(2/3)^= |

Equations solver categories