simplify 2x[5x-3]+7 where x=-1,x=1/2
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Answer:
2x(5x - 3) +7
Step-by-step explanation:
2×-1(5×-1-3)+7 (where x = -1)
-2×-8+7
16+7
23
2×1/2(5×1/2-3)+7 (where x = 1/2)
1×-1/2+7
-1/2+7
-13/2
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