1. Evaluate 3x + 10, when x = 5.
Solution:
3
4.
2. Evaluate 4x2 - 2x + 10, when x = -3
Solution:
5.
3. Solve (5x2 + 10x - 2) + (3x2 + 20x + 5)
Solution:
4. Solve (30x3 + 6x2 + 10) - (15x3 + 2x2 + 5)
Solution:
5. (15x + 3) (3x2) =
6. (3x + 5) (10x2) =
150x5 +30x* +60x2
7. Solve
15x2
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The answers and the solution from no. 1 to 6 are in the picture.
Correct me if I'm wrong
I hope it helps ^_^
Answer:
x=5
3x + 10= n
3(5) + 10=n
15 + 10=n
25=n
N=25