Question

Write in standard form: 2x² + 15 = 9x ​

Answer 1

Explicação passo a passo:

Standard form which we can write any quadratic equation:

$ax^2+bx+c=0,\, a\neq0$

Subtract both sides by 9x:

$2x^2+15-9x=9x-9x$

$2x^2-9x+15=0$