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(5x + 1)2 = 7 what are the solutions
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4 votes
(5x + 1)2 = 7
what are the solutions

User Ayman Morsy
by
4.4k points

2 Answers

4 votes

Answer:

x=1/2

Explanation:

distribute first (5x+1)2

=10x+2

combine like terms

=10x+2=7 → transpose 2 then change the sign

=10x=7-2

=10x=5

divide bother sides with 10 to let x remain

=10x/10=5/10

=x=1/2

User Jameem
by
4.6k points
3 votes

Answer:

0.329 OR -0.729

Explanation:

(5x + 1)2 = 7 what are the solutions-example-1
User Igor Serebryany
by
3.9k points
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