Multiply.
$(5 x + 4) (x + 5)$

Answer

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Answer

So, $(5 x + 4) (x + 5) = 5 x^{2} + 29 x + 20$

Steps

Step 1 ：First, we multiply the first terms in each binomial: $5 x * x = 5 x^{2}$

Step 2 ：Next, we multiply the outer terms: $5 x * 5 = 25 x$

Step 3 ：Then, we multiply the inner terms: $4 * x = 4 x$

Step 4 ：Finally, we multiply the last terms: $4 * 5 = 20$

Step 5 ：Now, we add all these results together: $5 x^{2} + 25 x + 4 x + 20 = 5 x^{2} + 29 x + 20$

Step 6 ：So, $(5 x + 4) (x + 5) = 5 x^{2} + 29 x + 20$