In a class of 60, where girls are twice that of boys, Kamal ranked seventeenth from the top. If there are 9 girls ahead of Kamal, how many boys are after him in rank ?
Answers
Answer:
x
2
+5x+6=(x+3)(x+2)
Step-by-step explanation:
Used factorization method
\begin{gathered}x^2 + 5x + 6\\ = x^2 + 3x + 2x + 6\\ = x ( x + 3) + 2 ( x+ 3)\\ = (x + 3) ( x + 2)\end{gathered}
x
2
+5x+6
=x
2
+3x+2x+6
=x(x+3)+2(x+3)
=(x+3)(x+2)
x
2
+5x+6=(x+3)(x+2)
Step-by-step explanation:
Used factorization method
\begin{gathered}x^2 + 5x + 6\\ = x^2 + 3x + 2x + 6\\ = x ( x + 3) + 2 ( x+ 3)\\ = (x + 3) ( x + 2)\end{gathered}
x
2
+5x+6
=x
2
+3x+2x+6
=x(x+3)+2(x+3)
=(x+3)(x+2)
Explanation:
x
2
+5x+6=(x+3)(x+2)
Step-by-step explanation:
Used factorization method
\begin{gathered}x^2 + 5x + 6\\ = x^2 + 3x + 2x + 6\\ = x ( x + 3) + 2 ( x+ 3)\\ = (x + 3) ( x + 2)\end{gathered}
x
2
+5x+6
=x
2
+3x+2x+6
=x(x+3)+2(x+3)
=(x+3)(x+2)
x
2
+5x+6=(x+3)(x+2)
Step-by-step explanation:
Used factorization method
\begin{gathered}x^2 + 5x + 6\\ = x^2 + 3x + 2x + 6\\ = x ( x + 3) + 2 ( x+ 3)\\ = (x + 3) ( x + 2)\end{gathered}
x
2
+5x+6
=x
2
+3x+2x+6
=x(x+3)+2(x+3)
=(x+3)(x+2)