I need to solve for x. -4x+-7

Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0

Through non-collinear points there is exactly one plane.

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab