21. Fill in the real number property below that justifies each step in combining to linear binomials. (4x+5)+(3x+6) = 4x +(5+3x) +6
= 4x +(3x + 5) +6
= (4x + 3x)+(5+6)
= x(4+3)+(5+6)
= 7x +11

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step-by-step explanation:

-387129 iq

answer is the third choice:

3x^5+4x^4+x^3+2x^2-10x-7=0

step-by-step explanation:

the terms of a geometric sequence can be found by beginning with the first term and multiplying by the common ratio repeatedly. a recursive formula for a geometric sequence with common ratio r is given by an=ran−1 a n = r a n − 1 for n≥2 n ≥ 2 .

step-by-step explanation: