[7.02] Explain, in your own words, the step-by-step process to simplifying the expression below. Include the simplified answer in your explanation.

(8x² + 5) − (3x² − x + 7)

Question

[7.02] Explain, in your own words, the step-by-step process to simplifying the expression below. Include the simplified answer in your explanation.

(8x² + 5) − (3x² − x + 7)

amistre64 · Answer

push the subtraction thru the (...) and reverse all the signs

then combine like terms

amistre64 · Answer

maybe more proper to use distribute a -1 then "push .."

amistre64 · Answer

i have noticed a pattern almost that when you push a negative thru an operator it flips the operator :)

amistre64 · Answer

$-\forall x(P(x)->Q(x)) =$

$ \ \exists x -(P(x)->Q(x))$

amistre64 · Answer

$$-n_{x=1}^{10} (P(x))=u_{x=1}^{10}\ -(P(x))$$

and such

anonymous · Answer

so would i get 5x²+x-2?

amistre64 · Answer

dunno, id have to actually do it :)

  8x²      + 5 
-3x² + x - 7 
-----------
   5x² +x -2

better

anonymous · Answer

thanks a lot