Question

4+(m+n)x^4 when m is 7 and n is 5

Answer 1

Answer:

4+12x^4

Step-by-step explanation:

4+(m+n)x^4 , when m=7 and n=5

4+((7)+(5))x^4

4+(7+5)x^4 *(7+5=12)*

4+12x^4

Hope it helps!

Answer 2

Answer:

$4+12x^{4}$

Step-by-step explanation:

$m = 7$, $n = 5$

$4 + (m + n) x^{4}$

$4 + (7 + 5) x^{4}$

$4+12x^{4}$