Question

answer if fast
230 * 30​

Answer 1

Explanation:

$x {}^{2} + 200x - 6900 = 0$

$x {}^{2} + 230x - 30x - 6900 = 0$

$x(x + 230) - 30(x + 230) = 0$

$(x + 230)(x - 30) = 0$

Therefore,

x = -230 or x = 30

Answer: x = -230 or x = 30

I hope this helps. :D