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18 votes
The quadratic equation x2 + 28 = 64 has two solutions.

Write the of the two smaller solution is X =larger solution is X=

2 Answers

6 votes

Answer:

x=-6, 6

Explanation:

Subtract 64 from both sides

x^2-36=0

Uses difference of squares

(x-6)(x+6)

x=-6, 6

User Luke Dupin
by
6.9k points
1 vote

Answer:

X=6 x=6

Explanation:


x^(2) +28=64

subtract 28


x^(2) =36

Square Root


\sqrt{x^(2) } =√(36)

Remember + or -

x=6 or -6

User Jackee
by
6.6k points
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