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OpenStudy (anonymous):
Simplify the expression (4x − 3)(x + 5).
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OpenStudy (bibby):
FOIL it out. (4x*x + 5*4x - 3x - 3*5
OpenStudy (anonymous):
ANSWERS:
OpenStudy (anonymous):
(4x-3)(x+5) FOIL (first, outer, in, last) 4x^2+20x-2x-15 Final answer 4x^2+19x-15
OpenStudy (anonymous):
@ryan7926 there is no 19x option.. look at the answers I posted on here
OpenStudy (anonymous):
@melissa780
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OpenStudy (bibby):
Do the arithmetic I literally just lined out for you
OpenStudy (anonymous):
So it's the 4th one..?
OpenStudy (bibby):
why do you think that?
OpenStudy (anonymous):
Sorry, love, I was busy. You must foil first. (4x-3)(x+5) 4x^2 + 20x -3x - 15 4x^2 + 17x - 15
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