5(-2)² -4 -3 (-2)² +6(-2)+8+5(-2)-13
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Answer:
5(-2)² - 4 - 3 (-2)² + 6(-2) + 8 + 5 (-2) - 13 = -23
Step-by-step explanation:
➺ 5(-2)² - 4 - 3 (-2)² + 6(-2) + 8 + 5 (-2) - 13
➺ 5×2²-4-3×2²+6×(-2)+8+5×(-2)-13
➺ 2×2²-4+6×(-2)+8+5×(-2)-13
➺ 2³-4+6×(-2)+8+5×(-2)-13
➺ 2³-4+11×(-2)+8-13
➺ 8-4+11×(-2)+8-13
➺ 8-4-22+8-13
➺ -23
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