Answer:$18
Step-by-step explanation:
(7x^2-3x)+4x^2
7x^2+4x^2-3x
11x^2-3x
Answer: 11x^2-3x.
You just combine like terms.
Answer:
34
Step-by-step explanation:
5x^2+45x-7x+63
5x^2+38x+63
please vote my answer brainliest. thanks!
Answer:
103.5
Step-by-step explanation:
13 + (43 ÷ 2) × 5 - 17
13 + 21.5 × 5 - 17
13 + 107.5 - 17
107.5 - 4
103.5