Answer:
b=-25
Step-by-step explanation:
10= -2/5b
10= -2/5b
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-2/5 -2/5b
b=-25
Check:
-2/5(-25)=10
10=10
A(10) = <span>9(10) + 9= 90+9 =99
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Answer:
its D Please put me as brain eat if correct
Answer: 8x³ + 12x² - 16x - 16
<u>Step-by-step explanation:</u>
(4x² - 2x - 4)(2x + 4)
= (2x + 4)(4x² - 2x - 4)
= 2x(4x² - 2x - 4) + 4(4x² - 2x - 4)
= 8x³ - 4x² - 8x + 16x² - 8x - 16
= 8x³ + (-4x² + 16x²) + (-8x - 8x) - 16
= 8x³ + 12x² - 16x - 16
Answer:
C= to find x, add the given angles
Step-by-step explanation: