expand the following (x+1)(x+2),, (x-1)(x+2) Question expand the following (x+1)(x+2),, (x-1)(x+2) in progress 0 Math Alexandra 10 months 2021-08-20T20:14:20+00:00 2021-08-20T20:14:20+00:00 2 Answers 0 views 0
Answers ( )
Hey there
Ans to the first one is x^2+3x+2
And ans to second one is x^2+x-2
Answer:
1) x^2 + 3x + 2
2)x^2 + x – 2
Step-by-step explanation:
1st one,
(x+1)(x+2) = x(x+2) + 1(x+2)
= x^2 + 2x + x + 2
= x^2 + 3x + 2
2nd one,
(x-1)(x+2) = x(x+2) – 1(x+2)
= x^2 + 2x – x – 2
= x^2 + x – 2
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