Evaluate (-3)^2 -17.?

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Pleas help with these two problems.

Evaluate 4 x 2^2 - 8 x 2

2007-05-04 18:57:49 · 3 answers · asked by Anonymous in Education & Reference ➔ Homework Help

(-3)^2=9
9-17= (-8)

4x2^2=4x4=16
8x2=16
16-16=0

I think my answers are correct. Not sure though

2007-05-04 19:03:11 · answer #1 · answered by cinnamonraisin 2 · 0⤊ 0⤋

9-17=-8

4 x 2^2- 8 x 2=
16-16=0

2007-05-05 09:18:29 · answer #2 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋

9-17= -8
4x4-16=0

2007-05-05 02:03:34 · answer #3 · answered by LaurenKay 3 · 0⤊ 0⤋