SOLUTION: fill in the blanks: (___ −2a)^2 = 9b^2− ___ + ___ (5x + ___)^2 = ___ · x^2+70xy + ___

Algebra ->  Inequalities -> SOLUTION: fill in the blanks: (___ −2a)^2 = 9b^2− ___ + ___ (5x + ___)^2 = ___ · x^2+70xy + ___      Log On


   

Question 1122672: fill in the blanks:
(___ −2a)^2 = 9b^2− ___ + ___
(5x + ___)^2 = ___ · x^2+70xy + ___
Found 2 solutions by solver91311, josgarithmetic:
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


The first term of the trinomial must be the result of squaring the first term of the binomial. So what would you need to square to come up with ? Once you have that, you just do the FOIL process to get the rest of it.


John

My calculator said it, I believe it, that settles it

Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
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fill in the blanks:
(___ −2a)^2 = 9b^2− ___ + ___
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