21t+4t^2-49=

Simple and best practice solution for 21t+4t^2-49= equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 21t+4t^2-49= equation:


Simplifying
21t + 4t2 + -49 = 0

Reorder the terms:
-49 + 21t + 4t2 = 0

Solving
-49 + 21t + 4t2 = 0

Solving for variable 't'.

Factor a trinomial.
(-7 + -1t)(7 + -4t) = 0

Subproblem 1

Set the factor '(-7 + -1t)' equal to zero and attempt to solve: Simplifying -7 + -1t = 0 Solving -7 + -1t = 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 + -1t = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -1t = 0 + 7 -1t = 0 + 7 Combine like terms: 0 + 7 = 7 -1t = 7 Divide each side by '-1'. t = -7 Simplifying t = -7

Subproblem 2

Set the factor '(7 + -4t)' equal to zero and attempt to solve: Simplifying 7 + -4t = 0 Solving 7 + -4t = 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 + -4t = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -4t = 0 + -7 -4t = 0 + -7 Combine like terms: 0 + -7 = -7 -4t = -7 Divide each side by '-4'. t = 1.75 Simplifying t = 1.75

Solution

t = {-7, 1.75}

See similar equations:

| 3(n-12)=9 | | 4-x=4x-11 | | A=0.5xy | | -3(x-6)+9=27 | | fx=-5x^2+3x+2 | | 0.1k+1=1.1k+0.1 | | X^2+3x=41 | | 6(1+x)=5(x-2) | | 2(2x-1)-3=2x+5 | | -3(5+2x)-7=38 | | 7x+21=77 | | 2x+3y-4x-6y= | | x^2=51+14x | | 21/2e+10=4e+1 | | -84+10x=66 | | 11x+73=216 | | 54+9x=198 | | -7(k-5)-7k=7 | | 8x+18=98 | | -x+54=-82+7x | | x(4x-3)(x+9)= | | (5z+4)(9-z)=0 | | 118-12x=x-129 | | -83+7x=22 | | 6x^2-7xy-3y^2+9x-7y+4=0 | | 19=4x-10 | | m^4n^7= | | (3-v)(5v-2)=0 | | 3x-x+2x=4x | | -15+2x=8+x | | 7x-60+x^2= | | (8-z)(2z+7)=0 |

Equations solver categories