Can some one please help meh :P
2 answers:
Answer:6k-4m
because it the answer
6k-4m
Combine like terms, 4k + k + k= 6k.
You cannot combine 4m and 6k because they are not like terms. You are left with 6k - 4m
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Step-by-step explanation:
J=(x+4)²
K=(8-x)
X=5
=J+3k
=(x+4)(x+4)+3(8-x)
=(x²+8x+16+24-3x)
=25+25+40
=90
Alternatively:
J=(5+4)²
J=81
K=8-5
K=3
J+3k
81+3(3)
81+9
90
Answer: yes they probably are because they can be any size