Solve the equation. \[ t^{2}+t-3=3 t \]

\( \frac { a } { x + a } + \frac { b } { x - b } = \frac { a + b } { x - c } \)

Jiahao had 22 fewer stickers than Raju at first Then, Jiahao gave Raju 35 stickers. Now, Raju has 5 times as many stickers as Jial How many stickers did Jiahao have at first?

What is a proportional relationship?

1. Calcula dos números cuya suma sea 100 y de forma que su producto sea máximo.

8. Info \( 1: 7 x+2,5 x+12,2 x-1 \) is an arithmetic series \( \frac{10}{10}(\sqrt{3} \) Info \( 2: \sum_{k=1}^{n}(20-4 k)=-20 \), where, \( n \) is natural numbe a. Find the value of \( x \& \) determine the series from info 1 . b. Find the value of \( n \) from info 2 .