add the algebric expression
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Answer:
[tex] = 9 {x}^{2} + (6 {x}^{2} - 3x) \\ = 9 {x}^{2} + 6 {x}^{2} - 3x \\ = 15 {x}^{2} - 3x \\ \\ this \: is \: the \: correct \: answer[/tex]
Answer:
15x2-3x
Step-by-step explanation:
9x2+(6x2-3x)
9x2+6x2-3x
15x2-3x ans