balroopashley523 balroopashley523

21-10-2021
Mathematics

contestada

how to expand (x+3)(x+4) into algebraic expression

Respuesta :

davesancho davesancho

21-10-2021

Answer:

x²+7x+12

Step-by-step explanation:

x*x=x²

x*4=4x

3*x=3x

4x+3x=7x

3*4=12

=x²+7x+12=0

Answer Link

mickhaigordonmorgan mickhaigordonmorgan

21-10-2021

Answer: ^2 + 7 + 12

Step-by-step explanation:

(x + 4)(x + 4)

( + 4)+3( + 4)

( + 4)+3( + 4)

^2 + 4 + 3( + 4)

^2 + 4 + 3 + 12

^2 +7 +12

Answer Link

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