Start by distributing -5x into x then into -3y. So -5x times x equals -5x^2( -5x squared), then -5 times -3y, equals 15xy so your answer is -5x^2 + 15xy.
For all of the questions or only one-?
False - plug in the bramble for the first equation and you get 40 = 12 which is not true
Step-by-step explanation:
2/7
2×2 = 4
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7×2 = 14
2×3 = 6
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7×3 = 21
2×4 = 8
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7×4 = 12