Answered

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Evaluate the expression a -3bc if a = -5 b= -4 c = 10

Evaluate The Expression A 3bc If A 5 B 4 C 10 class=

Sagot :

Solution:

The algebraic expression given is;

[tex]\begin{gathered} a^2-3bc \\ \text{where;} \\ a=-5 \\ b=-4 \\ c=10 \end{gathered}[/tex]

Substituting these values into the expression;

[tex]\begin{gathered} a^2-3bc=(-5)^2-3(-4)(10) \\ =25-3(-40) \\ =25+120 \\ =145 \end{gathered}[/tex]

Therefore, the value is 145.

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