I need help please & thank you
2 answers:
3(2c+d)-4(c-d)+d^2
c=1 , d=3
Use the substitution method
3(2*1+3)-4(1-3)+3^2
Multiply the brackets
3(2+3)-4+12+9
6+9-4+12+9
15-4+12+9
11+21
=32
Answer: 32
Answer:
32
.
Step-by-step explanation:
3(2c + d) - 4(c - d) + d^2
Substitute c = 1 and d = 3:
3 * (2*1 + 3) - 4(1 - 3) + 3^2
= 3*5 - 4(-2) + 9
= 15 + 8 + 9
= 32.
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