Weegy: = (-3ab + 12b2) + (10ab -15b2) = 7ab -3b2 = Answer is : b (7a-3b)
User: Simplify the following expression using PEMDAS 4(5 + 3x) – 5( -4 – 2x)
Weegy: 4(5 + 3x) - 5(-4 - 2x) = 20 + 12x - (-20 - 10x) = 20 + 12x + 20 + 10x, we then group like terms together: 40 + 22x. Your final answer is 40 + 22x
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