X^2-10x + y^2 + 6y – 30 = 0
1 answer:
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Answer:
22
Step-by-step explanation:
We are given the expression:—
When n = 5, substitute/change n to 5:—
Evaluate:—
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<u>Summary</u>
<u>Substitution</u>
Changing or replacing from a term to another terms/expression is called substitution.
Examples:—
If we are given the expression and we want to find the value when y = 4, simply replace y-term to 4.
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