QUESTION IMAGE
Question
simplify the expression by using the distributive property and combining like terms.
simplifica la expresión utilizando la propiedad distributiva y combinando los términos semejantes.
task card 5:
tarjetas de trabajos 5:
$7a^{2}-2+2a^{2}+4-3a$
$\bigcirc 9a^{2}-2-3a$
$\bigcirc 6a^{2}-2$
$\bigcirc 6a^{2}+2$
$\bigcirc 9a^{2}+2-3a$
Step1: Group like terms
$7a^2 + 2a^2 - 3a - 2 + 4$
Step2: Combine $a^2$ terms
$7a^2 + 2a^2 = 9a^2$
Step3: Combine constant terms
$-2 + 4 = 2$
Step4: Write simplified expression
$9a^2 - 3a + 2$
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D. $9a^2 + 2 - 3a$