-7x² + 70x - 175
= -7(x² - 10x + 25)
= -7(x - 5)²
= -7(x + -5)²
Answer: -5
Answer:
575x.25=143.75 575-143.75=$431.25
21.95x.15=$3.29 tip total bill $25.24
Step-by-step explanation:
They bought 5
65x+40y=765
65(5)+40(11)=765
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