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anonymous
 one year ago
given the following quadratic inequality solve.
x^2+17x+72>0
anonymous
 one year ago
given the following quadratic inequality solve. x^2+17x+72>0

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ali2x2
 one year ago
Best ResponseYou've already chosen the best response.0Raise x to the 2nd power

ali2x2
 one year ago
Best ResponseYou've already chosen the best response.0The first term is, x2 its coefficient is 1 . The middle term is, +17x its coefficient is 17 . The last term, "the constant", is +72

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0is it x<9 and x>8 or is it x<9 or x>8?

ali2x2
 one year ago
Best ResponseYou've already chosen the best response.0Step1 : Multiply the coefficient of the first term by the constant 1 • 72 = 72 Step2 : Find two factors of 72 whose sum equals the coefficient of the middle term, which is 17 .

ali2x2
 one year ago
Best ResponseYou've already chosen the best response.072 + 1 = 73 36 + 2 = 38 24 + 3 = 27 18 + 4 = 22 12 + 6 = 18 9 + 8 = 17 8 + 9 = 17 6 + 12 = 18 4 + 18 = 22 3 + 24 = 27 2 + 36 = 38 1 + 72 = 73 1 + 72 = 73 2 + 36 = 38 3 + 24 = 27 4 + 18 = 22 6 + 12 = 18 8 + 9 = 17 That's it

ali2x2
 one year ago
Best ResponseYou've already chosen the best response.0Step3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, 8 and 9 x2 + 8x + 9x + 72

ali2x2
 one year ago
Best ResponseYou've already chosen the best response.0Step4 : Add up the first 2 terms, pulling out like factors : x • (x+8) Add up the last 2 terms, pulling out common factors : 9 • (x+8)

ali2x2
 one year ago
Best ResponseYou've already chosen the best response.0Step5 : Add up the four terms of step 4 : (x+9) • (x+8) Which is the desired factorization

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i know i solved it i just need to know if its x<9 AND x>8 or is it x<9 OR x>8?

ali2x2
 one year ago
Best ResponseYou've already chosen the best response.0well my answer tells u c;brb
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