Question

Thath
Find the product of the following (x-3). (x+7)
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Answer 1

Step-by-step explanation:

(x-3)(x+7)

x(x+7)-3(x+7)

x²+7x-3x-21

x²+4x-21

Answer 2

Using id IIII

(x+a) (x+b) = x²+(a+b)x+ab

therefore (x+3) (x+7) = x²+(3+7)x+(3)(7)

= x²+10x+21

my answer is correct because I've used the identity no. IIII 4

you got your answer now give me my brainliest