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Use the distributive property to simplify the following expressions.
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\[A. 4(x+2) \] \[b. -5(9+X) \]
\[C. 7(x-3)\]
there =3
well, the general rule for the distributive property is A(B+C) = A*B + A*C
so, we start off with A) 4(x+2) = 4*x + 4*2 = 4x + 8
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ok
do you want to try B and C on your own now? c;
Yeah ^-^
give it a go, I'll guide you if you get stuck
um so with c. it is going to be...7(x-3)=7*x+7*3=7x +21?...
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hm, not quite, remember the negative sign on 3
7*x + 7*(-3) = ?
Oh. -21?
right, 7x-21
thanks ^-^ so um b is -45?
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almost, don't forget the x part
-5(9+x) = (-5)(9) - 5x
Okay thank you for helping me :)
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