Question

Substitute the given value of the variables in each expression and evaluate.
1. 45 + 3x , when x =7
2. 23-54n + 18m, when n= -1 and m= -1
3. (-x)³, when x = - 4
4. x² - 2y², when x = -3 and y = 2
5. 2[x² + 5(x - 2y)], x = 3 and y = 1​

Answer 1

Step-by-step explanation:

Mujhe lagta hai yahi process me hoga shayad...

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