Asked by Anonymous
I need help on these problems. There over solving equations by factoring.
1.4x^2=8
1.4x^2=8
Answers
Answered by
Damon
4 x^2 - 8 = 0
x^2 - 2 = 0
(x-sqrt 2)(x+sqrt 2) = 0
x = sqrt 2 or x = - sqrt 2
x^2 - 2 = 0
(x-sqrt 2)(x+sqrt 2) = 0
x = sqrt 2 or x = - sqrt 2
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