SOLUTION: Please help me how to solve this quadratic equation.2×^2-98=0
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Question 1085624
:
Please help me how to solve this quadratic equation.2×^2-98=0
Found 2 solutions by
ikleyn, rothauserc
:
Answer by
ikleyn(52776)
(
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):
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put this solution on YOUR website!
.
= 0 --->
= 98
=
= 49, x = +/-
, x = +/- 7.
Answer
. There are two solutions: x = 7 and x = -7.
Solved.
Answer by
rothauserc(4718)
(
Show Source
):
You can
put this solution on YOUR website!
2×^2 - 98 = 0
:
add 98 to both sides of =
:
2x^2 = 98
:
divide both sides of = by 2
:
x^2 = 49
:
take square root of both sides of =
:
x = 7 or -7
: