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OpenStudy (anonymous):
how do I finish simplifying (6x^2 - 5) (-3x^2 - x - 7) i got it to that but what do i do with the x that has no exponent when i combine like terms since it has none?
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OpenStudy (anonymous):
think of the x as being 1x so if you are unable to combine with any other x's then just leave as 1x
OpenStudy (campbell_st):
you need to expand and collect like terms -18x^4 -6x^3 -42x^2 +15x^2 +5x + 35 is the expansion 18x^4 - 6x^3 28x^2 + 5x + 35
OpenStudy (campbell_st):
oops -18x^4 - 6x^3 -28x^2 + 5x + 35
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