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3 votes
Can i get some help with #6

Can i get some help with #6-example-1

2 Answers

4 votes
Just break it up
4x^2 needs to equal 240
So find what equals 240 when multiplied by 4
User Tintu C Raju
by
8.3k points
1 vote
4(x^2) + 2 - (242) ➡0
(2^2 x^2 + 2) - 242 ➡0
4 (x^2 - 60)
Now factor: x^2 -60
4 (x^2 - 60) ➡0
4 ➡0[solve]
x^2➡±60 [by the way]
X ➡ ± √15 [⬅this might be your answer if you're working with square roots]
User Alex Brasetvik
by
8.3k points

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