Answer:
Step-by-step explanation: First we will expand so
x times x = x^2
x times 1 = x ( don’t need to put 1 in front)
2 times x is = 2x
2 times 1 = 2
Now we line them all up and look out if there are any like terms.
x^2 + x + 2x + 2 = x^2 +3x + 2
Hello!
To expand:
==> we must multiply each variable with each other
Thus: when (x+2)(x+1) is expanded and simplified
==>
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