If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -1t2 + -4t + 21 = 0 Reorder the terms: 21 + -4t + -1t2 = 0 Solving 21 + -4t + -1t2 = 0 Solving for variable 't'. Factor a trinomial. (3 + -1t)(7 + t) = 0Subproblem 1
Set the factor '(3 + -1t)' equal to zero and attempt to solve: Simplifying 3 + -1t = 0 Solving 3 + -1t = 0 Move all terms containing t to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1t = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1t = 0 + -3 -1t = 0 + -3 Combine like terms: 0 + -3 = -3 -1t = -3 Divide each side by '-1'. t = 3 Simplifying t = 3Subproblem 2
Set the factor '(7 + t)' equal to zero and attempt to solve: Simplifying 7 + t = 0 Solving 7 + t = 0 Move all terms containing t to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + t = 0 + -7 Combine like terms: 7 + -7 = 0 0 + t = 0 + -7 t = 0 + -7 Combine like terms: 0 + -7 = -7 t = -7 Simplifying t = -7Solution
t = {3, -7}
| x^2+9xy+18y^2=0 | | 6x^2y+60xy-30y=0 | | h=-0.2d^2+3d+2 | | X^4+3x^2=18 | | 4x^5+40x^4+64x^3=0 | | 3x^2-30x+48=0 | | x^2+11xy+18y^2=0 | | 2x^2-10x-21= | | (-1-3i)+3(-2i+8)= | | x-7x-3=2 | | (6-i)(-2-i)= | | m^3+18m^2+81m=0 | | x^2-17x-18=0 | | 5y^2-8y+12=0 | | 6y^3-20y^2-50y=0 | | x^2+24xy+144y^2=0 | | 81y^2+126y+49=0 | | 3z^2-52=0 | | (4x+8)(4x-1)= | | 91z+30z^2-30=0 | | 33r^2+62r-35=0 | | 27x^2-53x+26=0 | | 45-3.5x=27.5-x | | -3x=-20 | | 12x^2y+8xy^2+y^3=0 | | x+x+225000=575000000 | | L-42=56 | | -3+[(-5)-(-10)]= | | (.25x+4)+.10y=10.75 | | x+5+3x-7+9x+3-4x=0 | | 2(a+b)+3(a+b)=5a | | 0.5=0.4y-0.25x |