Question

simplify m = 1
m2+2m-(5m+4)​

Answer 1

p(m) = m²+2m-(5m+4)

p(1) = 1²+2(1)²-(5×1+4)

= 1+2×1-(5×1+4)

= 3-(5+4)

= 3-9

= -6

the answer is -6.

hope it helps.