5. What is the simplified form of the expression: 9(-4x5)2 ?
A. 72x5
B.72x10
C. 144x10
D. -144x10
6. What is the product of (x + 3) and (x + 7)?
A.X? + 10x + 21 -2
B. x2 + 21x + 10
C. x² + 10x + 10
D. x² +21x + 21
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Answer:
5. c 6. x² + 10x +21 the right answer
Step-by-step explanation:
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Answer:
1.b
2.21+10x+x^2
explanation:
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