omarjj062011
omarjj062011
14-09-2018
Mathematics
contestada
X^2+14x+45 vertex form
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allyu1616
allyu1616
14-09-2018
x^2 + 14x + 45
x^2 + 9x + 5x + 45
x*(x+9) + 5(x+9)
= (x+9) * (x+5)
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