10t2+-5=t+15

Simple and best practice solution for 10t2+-5=t+15 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 10t2+-5=t+15 equation:



10t^2+-5=t+15
We move all terms to the left:
10t^2+-5-(t+15)=0
We add all the numbers together, and all the variables
10t^2-(t+15)=0
We get rid of parentheses
10t^2-t-15=0
We add all the numbers together, and all the variables
10t^2-1t-15=0
a = 10; b = -1; c = -15;
Δ = b2-4ac
Δ = -12-4·10·(-15)
Δ = 601
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$t_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$t_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$t_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-1)-\sqrt{601}}{2*10}=\frac{1-\sqrt{601}}{20} $
$t_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-1)+\sqrt{601}}{2*10}=\frac{1+\sqrt{601}}{20} $

See similar equations:

| 5(x-1)^2=45 | | 10t2+-3=t+15 | | -2(2x-1)^2=0 | | 5x-28=-8+x | | 2.6666666=6/x | | 8x-34=-7(x+7) | | 17x-9(x+5)=3x-26 | | 2.5x=87 | | 3x^2+5x-6+2x^2-6x+7=0 | | 17x-9x(x+4)=3x-26 | | (3^X+1)x(3^X+2)x(3^X+3)+5Y=839 | | 6x-20=24 | | 28=2/b | | 5x+2+6x=90 | | 18x-6=5x+9 | | 12x^2-36x+24=) | | -(c-9)-1=1 | | 6x+3+45=90 | | 9-8-13s=-17-12s | | -3v+10=-7(v-6) | | 4y-10=10-4y+10y | | y=32000(0.08)^2 | | -7(u+1)=-2u+28 | | y=32000(1.08)^2 | | 3x4=84-5x | | 3x2-36=12 | | y=32000(1.08) | | 3x+(4/5)=7-2x | | y=32000(0.08) | | (4x+19)=(6x-5) | | 175m-75m+57,300=60,000-200m | | y=31795(1.08)^2 |

Equations solver categories