Check the picture below.
make sure your calculator is in Degree mode.
1. 6(3-8)-10
=6(-5)-10
=-30-10
=-40
2.30(3)+15(10)
=90+150
=240
3. 2(3)(3+32+32)
=6(67)
=402
Answer:
The thing that gives corrects values for point A,B,C and D is....
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Step-by-step explanation:
Solution:
(4x2 - 2x) - (-5x2 - 8x)
= 4x2 - 2x + 5x2 + 8x.
= 4x2 + 5x2 - 2x + 8x.
= 9x2 + 6x.
= 3x(3x + 2).
Answer: 3x(3x + 2)