How do you solve $8x^2+ 7 = 9x^2+ 10$ ?

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Answer 1 · 2015-11-09T13:08:39

$8x^2 + 7 = 9x^2 + 10$
$8x^2 -9x^2 = 10 - 7$
$-x^2 = 3$
$x^2 = -3$
$x = sqrt3$

first, you separate and move the number to the other side and $x^2$ to the other side.

then solve it.
$x^2$ when we bring to the other side will become square root.

:)

How do you solve 8x^2+ 7 = 9x^2+ 108x^2+ 7 = 9x^2+ 10?