Bx = x + 3 (a – b) (×) = ײ + 6× +7 a (×) =

b(x) = x+3

(a-b)(x) = x²+6x+7

a(x) – b(x) = x²+6x+7

a(x) = x²+6x+7 + b(x)

a(x) = x²+6x+7 + x + 3

a(x) = x² + 7x + 10

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