If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
(5y2 + -7y + 8) + -1(7y2 + -7y + 3) = 0
Reorder the terms:
(8 + -7y + 5y2) + -1(7y2 + -7y + 3) = 0
Remove parenthesis around (8 + -7y + 5y2)
8 + -7y + 5y2 + -1(7y2 + -7y + 3) = 0
Reorder the terms:
8 + -7y + 5y2 + -1(3 + -7y + 7y2) = 0
8 + -7y + 5y2 + (3 * -1 + -7y * -1 + 7y2 * -1) = 0
8 + -7y + 5y2 + (-3 + 7y + -7y2) = 0
Reorder the terms:
8 + -3 + -7y + 7y + 5y2 + -7y2 = 0
Combine like terms: 8 + -3 = 5
5 + -7y + 7y + 5y2 + -7y2 = 0
Combine like terms: -7y + 7y = 0
5 + 0 + 5y2 + -7y2 = 0
5 + 5y2 + -7y2 = 0
Combine like terms: 5y2 + -7y2 = -2y2
5 + -2y2 = 0
Solving
5 + -2y2 = 0
Solving for variable 'y'.
Move all terms containing y to the left, all other terms to the right.
Add '-5' to each side of the equation.
5 + -5 + -2y2 = 0 + -5
Combine like terms: 5 + -5 = 0
0 + -2y2 = 0 + -5
-2y2 = 0 + -5
Combine like terms: 0 + -5 = -5
-2y2 = -5
Divide each side by '-2'.
y2 = 2.5
Simplifying
y2 = 2.5
Take the square root of each side:
y = {-1.58113883, 1.58113883}
| y=3/2x+6 | | 5x^2+2x+3=0 | | 25+3y=10 | | 3m^2+9=0 | | x/6+3=5 | | 24x^4-111x^3+60x^2= | | 3/2x+2=14 | | 17t+8-1.62t=0.4t-0.32+8 | | 15000=(100+x)(50+x) | | 20a^2+13aw-15w^2=0 | | 28xy^2z^4+30yz=2yz(14xyz^3+15) | | 3x^2+9x+2=0 | | 28xy^2z^4+30yz=2xyz(14yx^3+15) | | 2/3x-1=5 | | 20x^4-110x^3+12x^2=0 | | a-21/4=61/8 | | 5-(-2)=3(x+4)-4 | | -6=4(3-x)-2x | | 4(3x-2)=11x+5 | | x^2-13x+28=0 | | -3(x+2)+4x=6 | | 24v^2-28vq+18vq-21q^2=0 | | 12+2n=36 | | 9+2x=33 | | 5x=9-(-1) | | 18x-13y=-106 | | 3x+7=3x+3 | | 125x^2-45=0 | | 2n+5=4 | | 0.48x+3=0.2x-1.2 | | x^2+2.5x=.8 | | 5*4/9 |