<span><span> (<span>x−8</span>)</span>2</span><span>=<span><span>(<span>x+<span>−8</span></span>)</span><span>(<span>x+<span>−8</span></span>)</span></span></span><span>=<span><span><span><span><span>(x)</span><span>(x)</span></span>+<span><span>(x)</span><span>(<span>−8</span>)</span></span></span>+<span><span>(<span>−8</span>)</span><span>(x)</span></span></span>+<span><span>(<span>−8</span>)</span><span>(<span>−8</span>)</span></span></span></span><span>=<span><span><span><span>x2</span>−<span>8x</span></span>−<span>8x</span></span>+64</span></span><span>=<span><span><span>x2</span>−<span>16x</span></span>+<span>64
</span></span></span><span>(x−8)2=x2−82Step 1: Simplify both sides of the equation.x2−16x+64=x2−64Step 2: Subtract x^2 from both sides.x2−16x+64−x2=x2−64−x2−16x+64=−64Step 3: Subtract 64 from both sides.−16x+64−64=−64−64−16x=−128Step 4: Divide both sides by -16.−16x−16=−128−16x=8</span>
Answer:
3 + 7x = 7x + 3
Step-by-step explanation:
Simplifying
7x + 3 = 7x + 3
Answer:
Multiply 1st equation by -4
Step-by-step explanation:
Multiply the 1stequation by-4
-20x+8y=-44. Leave 2nd equation
8x-8y=-16
See how the 8y cancels with -8y
This answer does not make sense because you can't buy half a movie ticket
Answer:
13.86
Step-by-step explanation:
(-2.2)(1.5)(-4.2) =
Use a calculator. Start with -2.2 * 1.5.
= (-3.3)(-4.2)
= 13.86
