Is known that
(a + b)² = a² + 2.a.b + b²
So:
(x + 4)² = x² + 2.x.4 + 4² = x² + 8x + 16
Answer:

Step-by-step explanation:
2(4x - 8) - 10
8x - 16 - 10
|_______|
8x - 26
-5x + 8 - 11x - 12
___ ___ _____ ____
___ ____
-16x - 4
-3(4x - 5)
-12x + 15
For the third and first exercises, you just use the Distributive Property, and for the second exercise, all you are doing is combining like-terms.
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Answer is C.
<span>A carpenter charges a flat fee of $150 plus $45 per hour.
Total = 150 + 45h
Hope it helps</span>
2x-7=43
2x=50
x=25
I hope I helped you with your solution! If you could give me brainliest, I would be very thankful!
True is the correct answer.