If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 + 18 = -9x Reorder the terms: 18 + 7x2 = -9x Solving 18 + 7x2 = -9x Solving for variable 'x'. Reorder the terms: 18 + 9x + 7x2 = -9x + 9x Combine like terms: -9x + 9x = 0 18 + 9x + 7x2 = 0 Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. 2.571428571 + 1.285714286x + x2 = 0 Move the constant term to the right: Add '-2.571428571' to each side of the equation. 2.571428571 + 1.285714286x + -2.571428571 + x2 = 0 + -2.571428571 Reorder the terms: 2.571428571 + -2.571428571 + 1.285714286x + x2 = 0 + -2.571428571 Combine like terms: 2.571428571 + -2.571428571 = 0.000000000 0.000000000 + 1.285714286x + x2 = 0 + -2.571428571 1.285714286x + x2 = 0 + -2.571428571 Combine like terms: 0 + -2.571428571 = -2.571428571 1.285714286x + x2 = -2.571428571 The x term is 1.285714286x. Take half its coefficient (0.642857143). Square it (0.4132653063) and add it to both sides. Add '0.4132653063' to each side of the equation. 1.285714286x + 0.4132653063 + x2 = -2.571428571 + 0.4132653063 Reorder the terms: 0.4132653063 + 1.285714286x + x2 = -2.571428571 + 0.4132653063 Combine like terms: -2.571428571 + 0.4132653063 = -2.1581632647 0.4132653063 + 1.285714286x + x2 = -2.1581632647 Factor a perfect square on the left side: (x + 0.642857143)(x + 0.642857143) = -2.1581632647 Can't calculate square root of the right side. The solution to this equation could not be determined.
| X/-2-6=10 | | 5x+4=42-3 | | 52x^2-23x+84=0 | | x(x-100)=2100 | | 2(3x+4y)-5y= | | 5z/7=3 | | A/0.8=27 | | p-3=2p+7 | | 3+110=167 | | x-28/x^2 | | 11x-15=3x+8 | | 4x+12-6= | | n-374836489843968356.54679= | | 3x+6-6+x= | | 3ab-6ab*ab= | | 2n/4=12/8 | | 4x+20+1=4x+16 | | cos(2x)-cos(6x)=sin(2x) | | 4(x+5)+1=4x+16 | | (2vt)2= | | (8y^4+4y)-(-4y^4-9y+9)= | | -15x+3y=-12 | | 15=c+11.2 | | 14-(2m+8)=1 | | 9+5a=29 | | f(x)=2x-9/16 | | 5x-27/2x=0 | | 1/2x-6=-1 | | y=-3x^2-4x-5 | | 6x+12-5x= | | 2/3:3/4 | | -4j+64=-16 |