Question

Verify the identity (x + a)(x + b) = x2 + (a + b)x + ab for a = 2, b = 3 and x = 4.

Answer 1

Answer:

(4+2) (4+3) =4^2 + (2+3) 4 + 2×3

=16+20+6

=42

hope it helps uhh.....

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Answer 2

Answer:

=(4+2) (4+3) =4²+(2+3) ×4+2×3

=(4+2) (4+3) =16+(5) ×4+6

=(4+2) (4+3) =16+20+6