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Simplifying 2x2 + 12x + 36 = 7 Reorder the terms: 36 + 12x + 2x2 = 7 Solving 36 + 12x + 2x2 = 7 Solving for variable 'x'. Reorder the terms: 36 + -7 + 12x + 2x2 = 7 + -7 Combine like terms: 36 + -7 = 29 29 + 12x + 2x2 = 7 + -7 Combine like terms: 7 + -7 = 0 29 + 12x + 2x2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. 14.5 + 6x + x2 = 0 Move the constant term to the right: Add '-14.5' to each side of the equation. 14.5 + 6x + -14.5 + x2 = 0 + -14.5 Reorder the terms: 14.5 + -14.5 + 6x + x2 = 0 + -14.5 Combine like terms: 14.5 + -14.5 = 0.0 0.0 + 6x + x2 = 0 + -14.5 6x + x2 = 0 + -14.5 Combine like terms: 0 + -14.5 = -14.5 6x + x2 = -14.5 The x term is 6x. Take half its coefficient (3). Square it (9) and add it to both sides. Add '9' to each side of the equation. 6x + 9 + x2 = -14.5 + 9 Reorder the terms: 9 + 6x + x2 = -14.5 + 9 Combine like terms: -14.5 + 9 = -5.5 9 + 6x + x2 = -5.5 Factor a perfect square on the left side: (x + 3)(x + 3) = -5.5 Can't calculate square root of the right side. The solution to this equation could not be determined.
| 5(a-3)=100 | | -x-0.2x=9 | | x+1/2x=27 | | (u-5)*9=54 | | (u-8)*9=54 | | (q-6)*6=54 | | 11+2.1=26 | | -10(s+5)=-86 | | -10(s*5)=-86 | | -y=7x+56 | | 2(f-1)=-8 | | -6(2t+2)=0 | | (x*x)+(2x)+(1)=4 | | 2(4w+10)=-27 | | -90=-9(6+2z) | | -5x-7x=24 | | x+5*5=70 | | 7x-16=(x+8)+4x | | 5(y+5)+4=49 | | 5(3s+4)=215 | | 5(2l+7)=95 | | [4x]+9=9 | | 5(a-6)=50 | | (u+3)*7=42 | | (q-10)*2=12 | | x-(3x+8)=12 | | (e+1)*4=16 | | 3x^4-10x+12=0 | | 6(4w+2)=16 | | -5(2t+7)=-85 | | -10(s+5)=-132 | | (h+5)-(3h-8)=0 |