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Evaluate 9x2 – x + 14 with x = 7

Algebra
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Evaluate 9x2 – x + 14 with x = 7

Apr 19th, 2015

9*(7)^2-7+14=9*49+7=448, let me know if you have any questions.........................................................

Apr 19th, 2015

Evaluate –x2 + 2x – 4 with x = –2

Apr 19th, 2015

-(-2)^2-4-4=-4-4-4=-12

Apr 19th, 2015

sorry i get mixed up on these:    Evaluate 6x2 – 2x + 7 with x = –10. 

& this one   

Evaluate –4x2 – 9x – 8 with x = –3.

Evaluate x2 – 2x + 4 with x = –2.


Apr 19th, 2015

627, -17 and 12

Apr 19th, 2015

Evaluate –5x2 – 3x + 4 with x = –1.

Simplify 12x2 + 4x – 3x2 + 8 + 10x + 3 by combining like terms.

Simplify x2 + x + 3 – 4x – 4x2 – 10 by combining like terms.

Simplify –3x2 – 4x + 10 – 4x2 – 10x – 3 – 8 – 3x – 4x2 by combining like terms.

Simplify 2x2 + 3x – 4x2 – x – 18 + 4x – 9x2 + 6x – 30 by combining like terms.

Evaluate your solution to question #11 with x = –3.


Evaluate your solution to question #12 with x = –1.


Apr 19th, 2015

I'm sorry but there are too many questoins to answer, may you repost them as bids or few prepaid questions.....

Apr 19th, 2015

yes can you help me with 2 of them tho?


Apr 19th, 2015

Evaluate –5x2 – 3x + 4 with x = –1: -5*1+3+4=2

Simplify 12x2 + 4x – 3x2 + 8 + 10x + 3 by combining like terms: 12x^2-3x^2+10x+4x+8+3=9x^2+14x+11

Apr 19th, 2015

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Apr 19th, 2015
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