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4. Evaluate the expression for the given value of each variable. 5a2 -7 -b3 when a = -2 and b = -3 please help! NO LINKS!!!

4. Evaluate the expression for the given value of each variable. 5a2 -7 -b3 when a = -2 and b = -3 please help! NO LINKS!!!
asked 146k views
4 votes
4. Evaluate the expression for the given value of each variable.

5a2 -7 -b3

when a = -2 and b = -3

please help!
NO LINKS!!!

asked
User Abdul Rehman Sheikh
by
8.5k points

1 Answer

6 votes

Answer:

-18

Explanation:

5a2-7-b3


5*a*2-7-b*3


5\cdot \left(-2\right)\cdot \left(2\right)-7-\left(-3\right)\cdot 3

Therefore, -18 is your answer.

Hope this helped! :)

answered
User Thiago Baldim
by
7.9k points
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