126 because if you multiple 21 and 6 it’s gives you 126
A is the correct answer
when x=0, b to the 0th power is 1, f(x)=a*1=a
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▹ Answer
<em>(x, y) = (14/5, 87/20)</em>
▹ Step-by-Step Explanation
8x - 4y = -4 - 3x + 4y = 5
8x - 4y = 5
-4 - 3x + 4y = 5
8x - 4y = 5
-3x + 4y = 9
5x = 14
x = 14/5
-3 * 14/5 + 4y = 9
y = 87/20
(x, y) = (14/5, 87/20)
Hope this helps!
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Answer:
x^4+3x^3-9x^2-12x+20
Step-by-step explanation:
Use the distributive property to multiply x^2−4 by x^2+3x-5 and combine like terms.