1
Which of the following is an equivalent form of the expression $15 x+24 a x$ ?
A) $39 a x^{2}$
B) $39(a+2 x)$
C) $(5+8 a) x$
D) $(15+24 a) x$

Answer

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Answer

The equivalent form of the expression $15x + 24ax$ is $\boxed{(15+24a)x}$.

Steps

Step 1 ：The expression $15x + 24ax$ can be simplified by factoring out the common factor $x$.

Step 2 ：So, we can rewrite the expression as $(15+24a)x$.

Step 3 ：The equivalent form of the expression $15x + 24ax$ is $\boxed{(15+24a)x}$.