Question

х2 + 1 1 x+ 30 please solve the question​

Answer 1

Answer:

-5(or)-6

Step-by-step explanation:

Given Quadratic equation is $x^{2} +11x+30$.

⇒$x^{2} +11x+30$

To do split middle term multiply First and last term.

⇒$1*30$

⇒$2*3*5$

We can make it as 6x+5x=11x

⇒$x^{2}+6x+5x+30=0$

Taking common

⇒$x(x+6)+5(x+6)=0$

⇒$(x+6)(x+5)=0$

⇒$x=-5(or)-6$

Hence the value of x is $-5(or)-6$.

Answer 2

Answer:

using identity (x+a) (x+b) = x²+(a+b)x+ab

here x = x,a= 6 and b = 5

x²+(6+5)x+(6×5)

(x+6)(x+5)

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