The value of the algebraic expressions when x = 5 are:
a) x² = 25
b) (x + 3)² = 64
We are given that x = 5.
Required:
Find the value of a.) x² and b.) (x + 3)²
To find the value of each algebraic expression when x = 5, substitute the value of x.
Thus:
a.) x²
x² = (5)²
x² = 25
b.) (x + 3)²
(x + 3)² = (5 + 3)²
(x + 3)² = (8)²
(x + 3)² = 64
Therefore, the value of the algebraic expressions when x = 5 are:
a) x² = 25
b) (x + 3)² = 64
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