Had Neha scored 10 more marks in her mathematics test out of 50 marks, 9 times these marks wouldhave been the square of her actual marks. How many marks did she get in the test?
pls answer it quickly
Answers
Answered by
0
x^2=9(x+10)
=> x^2-9x-90=0
=>x^2-15x+6x-90=0
=>x(x-15)+6(x-15)=0
=>x=15
=> x^2-9x-90=0
=>x^2-15x+6x-90=0
=>x(x-15)+6(x-15)=0
=>x=15
Similar questions