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Contact [7]
4 years ago
15

Simplify the expression 5 + 4 x (8 - 6)^2

Mathematics
1 answer:
borishaifa [10]4 years ago
7 0

Answer:=21

Step-by-step explanation:

5+4(8−6)^2

=5+4(2^2)

=5+(4)(4)

=5+16

=21

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We take the value of b (the coefficient of x), divide it by 2 and square it:
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This is the value that completes the square.  However, since the entire square is multiplied by 9, this value must be multiplied by 9 before we can add it across the equals:
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