Question

Expand using identity: (x+8)(x-10)

Answer 1

QUESTION:

Expand using identity: (x+8)(x-10).

ANSWER:

We use the identity here:

$(x + a)(x - b)$

the expansion of the identity is

${x}^{2} + (a - b)x - ab$

NOW COME TO YOUR QUESTION :

$(x + 8)(x - 10) \\ {x}^{2} + (8 - 10)x - 8 \times 10 \\ {x}^{2} - 2x - 80$

FINAL ANSWER :

$\huge\red{{x}^{2} - 2x - 80}$

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Answer 2

Answer:

identity should be followed is

Step-by-step explanation:

(a+b)(a-c)=a(b-c)

now,x(8-10)

x(-2)

=-2x

I hope this was helpful to you please mark as brainliest answer