Please help me 100pts and brainleast

Multiply. −2x(6x4−7x2+x−5) express the answer in standard form. enter your answer in the box.

When a formula is solved for a particular variable, several different equivalent forms may be possible. if we solved a=1/2bh for h, one possible correct answer is h=2a/b . which one of the following is not equivalent to this? a. h= 2(a/b) b. h= 2a(1/b) c. h= a/1/2b d. h= 1/2a/b

Can some one explain this i got sent this. is this a threat i’m scared