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Write the function a a product of linear factor by grouping or using the x method or a combination of both

g(x) = x2 - 9

Write The Function A A Product Of Linear Factor By Grouping Or Using The X Method Or A Combination Of Both Gx X2 9 class=

Sagot :

Answer:

[tex]\boxed{\boxed{\pink{\sf Option \ A \ is \ correct .}}}[/tex]

Step-by-step explanation:

Given function to us is :-

[tex]\bf \implies g(x) = x^2 - 9 [/tex]

And we , need to write the function a a product of linear factor by grouping or using the x method or a combination of both . So let's factorise this ,

[tex]\bf \implies g(x) = x^2 - 9 \\\\\bf\implies g(x) = x^2-3^2\\\\\bf\implies \boxed{\red{\bf g(x) = (x+3)(x-3) }}\:\:\bigg\lgroup \blue{\tt Using \ (a+b)(a-b) \ = a^2-b^2 }\bigg\rgroup [/tex]

I have also attached the graph of x²-9.

Hence option A is correct .

View image Аноним
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