QUESTION IMAGE
Question
- use algebra tiles to find $(3x^{2}+9x)+(6x^{2}+10x + 4)$. 2) combine like terms. for example, write 3 instead of $1 + 1 + 1$.
Step1: Agrupar términos semejantes de $x^2$
$3x^2 + 6x^2 = (3+6)x^2 = 9x^2$
Step2: Agrupar términos semejantes de $x$
$9x + 10x = (9+10)x = 19x$
Step3: Agrupar términos constantes
$0 + 4 = 4$
Step4: Sumar los resultados anteriores
$9x^2 + 19x + 4$
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$9x^2 + 19x + 4$