Question

2x^2-3x+9 simplify when

x= -7

Answer 1

2 (-7 )^2 - 3(-7) - 3(-7) + 9 =
@ eedmond --> Post what you get when you do the operations above. Then, I'll check.

Answer 2

149

Answer 3

2x^2-3x+9
2(-7)^2 - 3(-7) + 9 (plug in -7 for x)
2(49) + 21 + 9 order of operations, exponents and multiplication
98 + 30 more multiplication + adding the like terms
128 adding like terms again

Answer 4

lol yea i end up adding 3 times 7 twice instead of once i se that now thank you though

Answer 5

@ eedmondson1 --> I caused you to mess up by writing a factor twice. Sorry. On the positive side, you did perform the calculations correctly.