√4x+9 = 1-√2 giải phương trình

Solve the following: 12(x^2–x–1)+13(x^2–x–1)=25(x^2–x–1) 364x–64x=300x

Rewrite the polynomial -9x5 + 36x4 + 189x3 in factored form.

87.5% , 100% , 83.33 , 93.33% , 100% , 82.5% are all the academic points i've gotten this quarter. what's my final grade?