25x^4 +120x^2y +144y^2

Solve for x by completing the square. 2x^2-4x+7=0

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer

What is the answer to the question 5x+2x