Question

Enter the correct answer in the box.Consider this expression.1 2 + 1 - 72Replace the values of a and b to rewrite the given expression.OPTIsin cos tan sin-cos tan-1-1+aВE 9음 (0) 미vo yoo3o 21XC.01<>52CSC sec cotlog log In11?(x + a)(x+b)IResetNext

Answer 1

To solve this expression, we use the sixth case of factorization, of the trinomial with the form:

`x^2+bx+c`

Where we must find two numbers that multiplied together give us "c" and add together are "b".

In this case, these numbers are:

`(x+9)(-8)`

In conclusion, a=9 y b=-8