If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 4 + -28a + 49a2 = 0 Solving 4 + -28a + 49a2 = 0 Solving for variable 'a'. Factor a trinomial. (2 + -7a)(2 + -7a) = 0Subproblem 1
Set the factor '(2 + -7a)' equal to zero and attempt to solve: Simplifying 2 + -7a = 0 Solving 2 + -7a = 0 Move all terms containing a to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -7a = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -7a = 0 + -2 -7a = 0 + -2 Combine like terms: 0 + -2 = -2 -7a = -2 Divide each side by '-7'. a = 0.2857142857 Simplifying a = 0.2857142857Subproblem 2
Set the factor '(2 + -7a)' equal to zero and attempt to solve: Simplifying 2 + -7a = 0 Solving 2 + -7a = 0 Move all terms containing a to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -7a = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -7a = 0 + -2 -7a = 0 + -2 Combine like terms: 0 + -2 = -2 -7a = -2 Divide each side by '-7'. a = 0.2857142857 Simplifying a = 0.2857142857Solution
a = {0.2857142857, 0.2857142857}
| 12/x=8x/5 | | (y/2)-(y/3)=4 | | a^2+b^2=225 | | -3x/7=6/35 | | -14c+3c=(-14+3)c | | 5xy+22-3xy-5z= | | 1/2*2=b | | 5y-6+y+14=7y+20-5y | | 1/2+2 | | 4x-14=-14 | | 7a+3b+4a+2b= | | -14c+3c= | | (63x^2y^3/16z^2)(2z^3/9x^2y^6) | | 64-9r^2=0 | | 5x^2-20x+25=25 | | -5x-5(-6-2x)=-20 | | 4a+3a+7b+5b= | | 24b^2-150=0 | | 7x+6y=11.75 | | 6v(-8v+1)=0 | | (-9)(-16)= | | 2+4y=6y-12 | | H=-16t+128t+124 | | 49=5*5x | | 15-(4x-5)=33 | | 4a+9b-2a-3b= | | 2a^2-7a+12= | | 7(2x-5)=167 | | 2a+3(a+4)=30 | | X-.96(x)=155000 | | 5xy+22-3xy-5x= | | y-0.58=-1.22 |