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Simplifying 16x2 + 16x + 7 = 0 Reorder the terms: 7 + 16x + 16x2 = 0 Solving 7 + 16x + 16x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 16 the coefficient of the squared term: Divide each side by '16'. 0.4375 + x + x2 = 0 Move the constant term to the right: Add '-0.4375' to each side of the equation. 0.4375 + x + -0.4375 + x2 = 0 + -0.4375 Reorder the terms: 0.4375 + -0.4375 + x + x2 = 0 + -0.4375 Combine like terms: 0.4375 + -0.4375 = 0.0000 0.0000 + x + x2 = 0 + -0.4375 x + x2 = 0 + -0.4375 Combine like terms: 0 + -0.4375 = -0.4375 x + x2 = -0.4375 The x term is x. Take half its coefficient (0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. + 0.25 + x2 = -0.4375 + 0.25 Combine like terms: + 0.25 = 1.25 1.25 + x2 = -0.4375 + 0.25 Combine like terms: -0.4375 + 0.25 = -0.1875 1.25 + x2 = -0.1875 Factor a perfect square on the left side: (x + 0.5)(x + 0.5) = -0.1875 Can't calculate square root of the right side. The solution to this equation could not be determined.
| 44+(39-25)= | | 0.2(x+9)+0.4=8 | | 6(-8-8n)=-240 | | 0.8(x+5)+0.4=8 | | 6(-8-8n)=-24 | | (29+7)= | | 17+4(3+a)-a=0 | | (x+6)y= | | 3-x=2-4x | | 114+9= | | z^2-(2+i)z-2i=0 | | (69+24)= | | x+3z=10 | | 2(-5+x)=-(-11+x) | | 30=5(x-3)+4(x+4) | | 3x^2+2-18=156 | | u^2-2u-24= | | 4x+27y=27 | | (29+125)= | | 7y-4x=84 | | 7x-10=3(x-2)+4(x-1) | | n=4*6*5 | | 69+24= | | -4+2x=-12+8x | | 0.2(x+5)0.2=10 | | 53-(294)= | | v=Pir^2h-ab | | 40=4[x-10] | | 29+125= | | 2[x+3]=42 | | 16-65= | | 14+q=17 |