Answer:
D,E
Step-by-step explanation:
Answer:
6x^2 -29 +35.
Step-by-step explanation:
use the FOIL method(First, Outer,Inner, and Last.)
2x x 3x=6x^2.
2x x -7=-14x.
-5 x 3x =-15x.
-5 x -7=35.
= 6x^2 -14x -15x+35
6x^2 -29x +35.
The answer to your question is b. 2
<span><span>(<span><span>3x</span>+<span>−<span>7<span>y4</span></span></span></span>)</span><span>(<span><span>3x</span>+<span>−<span>7<span>y4</span></span></span></span>)</span></span><span>=<span><span><span><span><span>(<span>3x</span>)</span><span>(<span>3x</span>)</span></span>+<span><span>(<span>3x</span>)</span><span>(<span>−<span>7<span>y4</span></span></span>)</span></span></span>+<span><span>(<span>−<span>7<span>y4</span></span></span>)</span><span>(<span>3x</span>)</span></span></span>+<span><span>(<span>−<span>7<span>y4</span></span></span>)</span><span>(<span>−<span>7<span>y4</span></span></span>)</span></span></span></span><span>=<span><span><span><span>9<span>x2</span></span>−<span><span>21x</span><span>y4</span></span></span>−<span><span>21x</span><span>y4</span></span></span>+<span>49<span>y8</span></span></span></span><span>=<span><span><span>49<span>y8</span></span>−<span><span>42x</span><span>y4</span></span></span>+<span>9<span>x</span></span></span></span>
