How do you factor t squared minu s t-1squared?

Answer 1

Use the formula a^2 - b^2 = (a -b)(a + b). So:

t^2 - (t - 1)^2

= [t - (t -1)][t + (t -1)] Now you can work and simplify the given expression.

=(t - t +1)(t + t -1)

=(1)(2t -1)

= 2t -1