Solve x 2 + 2x - 10 = 0 using quadratic formula . Give the answer in surd form.

Describe all the numbers that when rounded to the nearest thousand are 645,000

In the figure below, segment ac is congruent to segment ab: triangle abc with a segment joining vertex a to point d on side bc. side ab is congruent to side ac which statement is used to prove that angle abd is congruent to angle acd? segment ad bisects angle cab. triangle acd is similar to triangle abd. segment ad is congruent to segment ac. angle cab is congruent to angle cba.

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?