Find x & Complementary Angles

nycmathguy · Oct 22, 2021

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MathLover1 · Oct 22, 2021

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 · Oct 22, 2021

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

Thanks for the correction.