If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying (7x2 + -4x + 11) + -1(-2x2 + 11x + -9) = 0 Reorder the terms: (11 + -4x + 7x2) + -1(-2x2 + 11x + -9) = 0 Remove parenthesis around (11 + -4x + 7x2) 11 + -4x + 7x2 + -1(-2x2 + 11x + -9) = 0 Reorder the terms: 11 + -4x + 7x2 + -1(-9 + 11x + -2x2) = 0 11 + -4x + 7x2 + (-9 * -1 + 11x * -1 + -2x2 * -1) = 0 11 + -4x + 7x2 + (9 + -11x + 2x2) = 0 Reorder the terms: 11 + 9 + -4x + -11x + 7x2 + 2x2 = 0 Combine like terms: 11 + 9 = 20 20 + -4x + -11x + 7x2 + 2x2 = 0 Combine like terms: -4x + -11x = -15x 20 + -15x + 7x2 + 2x2 = 0 Combine like terms: 7x2 + 2x2 = 9x2 20 + -15x + 9x2 = 0 Solving 20 + -15x + 9x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 9 the coefficient of the squared term: Divide each side by '9'. 2.222222222 + -1.666666667x + x2 = 0 Move the constant term to the right: Add '-2.222222222' to each side of the equation. 2.222222222 + -1.666666667x + -2.222222222 + x2 = 0 + -2.222222222 Reorder the terms: 2.222222222 + -2.222222222 + -1.666666667x + x2 = 0 + -2.222222222 Combine like terms: 2.222222222 + -2.222222222 = 0.000000000 0.000000000 + -1.666666667x + x2 = 0 + -2.222222222 -1.666666667x + x2 = 0 + -2.222222222 Combine like terms: 0 + -2.222222222 = -2.222222222 -1.666666667x + x2 = -2.222222222 The x term is -1.666666667x. Take half its coefficient (-0.8333333335). Square it (0.6944444447) and add it to both sides. Add '0.6944444447' to each side of the equation. -1.666666667x + 0.6944444447 + x2 = -2.222222222 + 0.6944444447 Reorder the terms: 0.6944444447 + -1.666666667x + x2 = -2.222222222 + 0.6944444447 Combine like terms: -2.222222222 + 0.6944444447 = -1.5277777773 0.6944444447 + -1.666666667x + x2 = -1.5277777773 Factor a perfect square on the left side: (x + -0.8333333335)(x + -0.8333333335) = -1.5277777773 Can't calculate square root of the right side. The solution to this equation could not be determined.
| n+34.7=7.2 | | 8n-24=56 | | 7+y=9+5 | | X^9+X^8+X^7=0 | | 8n-2=56 | | 8+13z-5=7z+19-2Z | | 18+13z-5=7z+19-2Z | | 4x=3x+40 | | 10.8x-2.1x=-139.2 | | 8[3-(7x-3)]+9x=0 | | 5y-3+y+29=8y+30-6y | | 4(x+3)=32-2x | | -6x-7x=-104 | | 4x-2=-22 | | 6x+12x=126 | | -4(k+4)+13(k-1)=-3(k-2)+7 | | 4a-5b=-11 | | 3a-27=12a+54 | | -2(y+6)=y+3y+2y | | 6(x-4)=16+8x | | -(5x-4)-(5x-5)+14=-11(x-1)-(4x+11)+3 | | 8x+2x-7=23 | | 247-6X=39X+17 | | (7d)2-3d=0 | | (18x-9)/3= | | 14-10X=146-38X | | x(x)=2x-5 | | (18x-9)= | | 7d=3d | | 5x+4=-31 | | W^2-8w+15=0 | | 6x+10=4x+4 |