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Simplifying -12x2 + -14x + 40 = 0 Reorder the terms: 40 + -14x + -12x2 = 0 Solving 40 + -14x + -12x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '2'. 2(20 + -7x + -6x2) = 0 Factor a trinomial. 2((4 + -3x)(5 + 2x)) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(4 + -3x)' equal to zero and attempt to solve: Simplifying 4 + -3x = 0 Solving 4 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -3x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -3x = 0 + -4 -3x = 0 + -4 Combine like terms: 0 + -4 = -4 -3x = -4 Divide each side by '-3'. x = 1.333333333 Simplifying x = 1.333333333Subproblem 2
Set the factor '(5 + 2x)' equal to zero and attempt to solve: Simplifying 5 + 2x = 0 Solving 5 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 2x = 0 + -5 2x = 0 + -5 Combine like terms: 0 + -5 = -5 2x = -5 Divide each side by '2'. x = -2.5 Simplifying x = -2.5Solution
x = {1.333333333, -2.5}
| 0.2*0.5= | | 7x^2-x+1=0 | | 0.9*0.9= | | 4x^5/8=128 | | 1x+9=17 | | 6a+2(a+6)=28 | | 3/6x+1/2 | | 100-2x=34x+16 | | 81x^2=0 | | 100=x^2+2x^2-40x+100 | | (3y/8)-9=13+(y/8) | | 100=x^2+2x^2-40x-100 | | 3x-5=7x+17 | | 14/15+1/9 | | 36=(4-y)3 | | 8+3=3y-7+y | | -336x^3+288x=0 | | z+y=12 | | -72=7y-15y-16 | | -2+4=22 | | -9w-8+5w=28 | | -21+70=77 | | 106=(x/10000)*100 | | -3x(1+x)=-x(1+x)-4 | | -3v+15v+7=8v+43 | | 2x^2+49=34 | | 48x^18/8x^6 | | 3v+15v+7=8v+43 | | 1+b/8=8 | | 2x-3x=4+9x | | 0-8=9 | | 2x-3x=4+9 |