Question

Determine by substitution if 4 is the root of a – 10 =6
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Answer 1

Answer:

no

Step-by-step explanation:

gn,

a= 4

given equation : a-10 = 6

substituting the value a=4,

4 - 10 = 6

-6 is not equal to 6

hence 4 is not the root of a – 10 =6

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Answer 2

Answer:

-5(1+8) (x^2+2x^2) .

Step-by-step explanation:

-5x^2-50x^2-80.

-5(x^2+10x^2+16).

-5[x^2(8+2)x^2+16].

-5(x^2+8x^2+2x^2+16).

-5[x^2(1+8) +2x^2(1+8) ].

-5(1+8) (x^2+2x^2).

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