Question

7x elevado a 2 menos 25x igual a zero

Answer 1

$7 {x}^{2} + {25}x = 2 \\ 49x + 25x = 2 \\ 74x = 2 \\ x = 74 \div 2 \\ x = 37$

Answer 2

Oi....

7x² - 25x = 0

x(7x - 25) = 0

x' = 0

7x - 25 = 0

7x = 25

x" = 25/7

S = {x' = 0 e x" = 25/7}

Bons estudos.