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Simplifying x(x + 6) + -40 = 0 Reorder the terms: x(6 + x) + -40 = 0 (6 * x + x * x) + -40 = 0 (6x + x2) + -40 = 0 Reorder the terms: -40 + 6x + x2 = 0 Solving -40 + 6x + x2 = 0 Solving for variable 'x'. Factor a trinomial. (-10 + -1x)(4 + -1x) = 0Subproblem 1
Set the factor '(-10 + -1x)' equal to zero and attempt to solve: Simplifying -10 + -1x = 0 Solving -10 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + -1x = 0 + 10 Combine like terms: -10 + 10 = 0 0 + -1x = 0 + 10 -1x = 0 + 10 Combine like terms: 0 + 10 = 10 -1x = 10 Divide each side by '-1'. x = -10 Simplifying x = -10Subproblem 2
Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 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 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4Solution
x = {-10, 4}
| 10x-6+18x-6(2x-4)=2 | | 2(x-3)=5(x-6) | | 4x-23=27 | | 2(2x+1)-3x=-6 | | 1.6/0.9=z/7.9 | | 6-5(2x+1)=11 | | 10x^2-390=0 | | 10x^2-139x-390=0 | | 5-(2x+3)=-25 | | 3x-7=9x+4 | | (2+7i)(8+i)= | | 10/6=30/t | | ln(x)-5=7.2 | | 30/x=6/7 | | 4x+(2x)-(2x)=72 | | y=2x^2+16x+38 | | 12+x=-6(7x-2) | | 16/20=72/x | | (3+8i)(7+i)= | | 10y^2+26y+12=0 | | (-4+5i)-(-7+5i)= | | (-2+6i)-(-7+6i)= | | x=300+50x | | 2y-35=5(y-4) | | (9+3i)+(8-2i)= | | 45w+126=9 | | c=300+50x | | 9(y-1)=-7y+7 | | y*0.17+(1-y)*0.7=0.15 | | 126w-45=9 | | 3u-15=5(u-7) | | 126w+45=9 |