Question

How to solve this equation 3(ײ+7)

Answer 1

Answer:

3x^2+21

Step-by-step explanation:

hope it help ☺☺

Answer 2

$3( {x}^{2} + 7) = 0$

$({x}^{2} + 7) = 0$

${x}^{2} = - 7$

x = ±√-7