The answer is A; 25x²-9
<span><span>(<span><span>5x</span>+3</span>)</span><span>(<span><span>5x</span>−3</span>)</span></span><span>=<span><span>(<span><span>5x</span>+3</span>)</span><span>(<span><span>5x</span>+<span>−3</span></span>)</span></span></span><span>=<span><span><span><span><span>(<span>5x</span>)</span><span>(<span>5x</span>)</span></span>+<span><span>(<span>5x</span>)</span><span>(<span>−3</span>)</span></span></span>+<span><span>(3)</span><span>(<span>5x</span>)</span></span></span>+<span><span>(3)</span><span>(<span>−3</span>)</span></span></span></span><span>=<span><span><span><span>25<span>x</span></span></span></span></span></span>²−15x+15x−9<span>=<span><span>25<span>x</span></span></span></span>²−9
Answer:
The answer for question 27 is a confusing one, but the one for question 28 is B! Hope this helps.
Step-by-step explanation:
Answer:A=144 P=40
Step-by-step explanation:
I hope this helps and i hope you have a good day :)
Answer:
12
Step-by-step explanation:
