MathLover1 Joined Jun 27, 2021 Messages 2,989 Reaction score 2,884 Oct 22, 2021 #2 3 and 4 correct 6. x^2+9x=90 x=6 x=-15-> since x is the measure of an angle, disregard negative solution x^2=6^2=36 9x=9*6=54
3 and 4 correct 6. x^2+9x=90 x=6 x=-15-> since x is the measure of an angle, disregard negative solution x^2=6^2=36 9x=9*6=54
nycmathguy Joined Jun 27, 2021 Messages 5,386 Reaction score 422 Oct 22, 2021 #3 MathLover1 said: 3 and 4 correct 6. x^2+9x=90 x=6 x=-15-> since x is the measure of an angle, disregard negative solution x^2=6^2=36 9x=9*6=54 Click to expand... Thanks for the correction.
MathLover1 said: 3 and 4 correct 6. x^2+9x=90 x=6 x=-15-> since x is the measure of an angle, disregard negative solution x^2=6^2=36 9x=9*6=54 Click to expand... Thanks for the correction.