Please help ASAP !!! Thank you !
1 answer:
<h2>(1)</h2><h2> =(a+b)(3c-d)</h2><h2> =a(3c-d)+b(3c-d)</h2><h2> =3ac-ad+3bc-bd</h2><h2>(2)</h2><h2> =(a-b)(c+2d)</h2><h2> =a(c+2d)-b(c+2d)</h2><h2> =ac+2ad-bc-2bd</h2><h2>(3)</h2><h2> =(a-b)(c-2d)</h2><h2> =a(c-2d)-b(c-2d)</h2><h2> =ac-2ad-bc+2bd</h2><h2>(4)</h2><h2> =(2a+b)(c-3d)</h2><h2> =2a(c-3d)+b(c-3d)</h2><h2> =2ac-6ad+bc-3bd</h2>
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Answer:
The number is -30.
Step-by-step explanation:
Given that,
Eight plus the quotient of a number and 3 is −2 . We need to find the number.
So, putting given condition into mathematical expression. Let the number is x. So,
Subtracting on both sides,
Now cross multiplying, we get
x = -30
So, the number is -30.