find the value of 2 x 2 - 18 given that x - 6 = - 9?

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2006-09-14 05:52:36 · 5 answers · asked by precious_lady12002 2 in Education & Reference ➔ Homework Help

x-6= -9
so x= -9+6
x= -3
is it 2(-3)2-18 ?
then ans is -12-18= -30

2006-09-14 06:01:12 · answer #1 · answered by betty 2 · 0⤊ 0⤋

x-6=9
so x=15
2x^2-18=2(225)-18=450-18=432
subject to your sum meaning 2x^2-18

2006-09-14 05:56:02 · answer #2 · answered by raj 7 · 0⤊ 1⤋

2*2-18 is always -14 no matter whatever you give me.

2006-09-14 05:59:51 · answer #3 · answered by A 4 · 0⤊ 0⤋

x-6=-9
x=-9+6
x=-3

2006-09-14 05:58:06 · answer #4 · answered by Zlatko M 1 · 0⤊ 0⤋

i agree with them

2006-09-14 06:43:55 · answer #5 · answered by Drexme 2 · 0⤊ 0⤋