What’s (X-4) (x+5)
I don’t get it someone help
2 answers:
Heya! I am going to show you something step by step, I hope this helps you hun.
<span>=<span><span>(<span>x+<span>−4</span></span>)</span><span>(<span>x+5</span>)</span></span></span><span>
=<span><span><span><span><span>(x)</span><span>(x)</span></span>+<span><span>(x)</span><span>(5)</span></span></span>+<span><span>(<span>−4</span>)</span><span>(x)</span></span></span>+<span><span>(<span>−4</span>)</span><span>(5)</span></span></span></span><span>
=<span><span><span><span>x2</span>+<span>5x</span></span>−<span>4x</span></span>−20</span></span><span>
=<span><span><span>x2</span>+x</span>−<span>20
(The 2 is to the second power between.)
Please message me for further help! - Hannah</span></span></span>
You have to find out what x is because x is an imaginary number
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