How do you solve 49x^2-10=26?

1 Answer
Jim G.
Apr 20, 2018

x=+-6/7

Explanation:

"add 10 to both sides of the equation"

rArr49x^2=36

"divide both sides by 49"

rArrx^2=36/49

color(blue)"take the square root of both sides"

rArrx=+-sqrt(36/49)larrcolor(blue)"note plus or minus"

rArrx=+-6/7

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