4 years ago

The square of the sum of a number and 3 is 16. Find the number.(There are two solutions.)

Mathematics

2 answers:

iren2701 [21]4 years ago

5 0

1,-7 hope this helps

mote1985 [20]4 years ago

3 0

Answer:

1 , -7

Step-by-step explanation:

(x+3)² = 16

then

(x+3)² = 4²

then

|x+3| = 4

then

x+3=4 or x+3= -4

then

x=4-3=1 or x= -4-3= -7

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