If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying a2 + 9a + 21 = 7 Reorder the terms: 21 + 9a + a2 = 7 Solving 21 + 9a + a2 = 7 Solving for variable 'a'. Reorder the terms: 21 + -7 + 9a + a2 = 7 + -7 Combine like terms: 21 + -7 = 14 14 + 9a + a2 = 7 + -7 Combine like terms: 7 + -7 = 0 14 + 9a + a2 = 0 Factor a trinomial. (7 + a)(2 + a) = 0Subproblem 1
Set the factor '(7 + a)' equal to zero and attempt to solve: Simplifying 7 + a = 0 Solving 7 + a = 0 Move all terms containing a to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + a = 0 + -7 Combine like terms: 7 + -7 = 0 0 + a = 0 + -7 a = 0 + -7 Combine like terms: 0 + -7 = -7 a = -7 Simplifying a = -7Subproblem 2
Set the factor '(2 + a)' equal to zero and attempt to solve: Simplifying 2 + a = 0 Solving 2 + a = 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 + a = 0 + -2 Combine like terms: 2 + -2 = 0 0 + a = 0 + -2 a = 0 + -2 Combine like terms: 0 + -2 = -2 a = -2 Simplifying a = -2Solution
a = {-7, -2}
| 56/78=13/x | | 9m-24=10+m | | (x-1/6)-(x-3/2)=-1 | | 4x(-6x-2)=32 | | 2x+2=3y | | 0.6667(3p-5)=0.444 | | (3y^2)(ylnx)= | | 7y-(5y-1)=11 | | 7x^2=75 | | 5x+10(2+5)=5x+2 | | 1008=2x-4(x+8) | | 8x+9+5x+15=180 | | (x^2+3x+2y)dx+xdy=0 | | 6k-40=2k | | (6x-5)(x+7)=0 | | 6.5=32.6 | | 2/3b=2-5/6b | | 0.18-0.02(x+3)=0.03(1-x) | | 2x-7/3=33 | | 11x-4=62 | | 3y=2x+2 | | 5(x+3)+2x=102 | | 16=x+3x+4 | | -3x+4=8x+12 | | 8000(x+.02)+2000x=578 | | 3(2x)+1x+2x+2x+1x=888 | | -5x=-y+3 | | -4(x+4)+9=7 | | 8000(x+.02)+2000n=578 | | 7x+14=112 | | 8y=8x | | Y=2.3x-25.2 |