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3 years ago

11

X^2 +14x +45=0 factorise

2 answers:

Andreyy893 years ago

4 0

Answer:

Step-by-step explanation:

x^2+14x+45=0

x^2+(9+5)x+45=0

x^2+9x+5x+45

x(x+9)+5(x+9)=0

(x+9)(x+5)=0

either x+9=0 Or,x+5=0

x+9=0

x=0-9

x=-9

x+5=0

x=0-5

x=-5

therefore x=-9,-5

gizmo_the_mogwai [7]3 years ago

4 0

I think so the answer is x=-5

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