Asked by Marina

Simplify and evaluate the expression for a = -0.5, b = 2.5

2.5a - 3b(-4.1 + a(-3.3b - b) - b) + a

Answers

Answered by Steve
well, just plug in your values:

2.5a - 3b(-4.1 + a(-3.3b - b) - b) + a
2.5(-0.5) - 3(2.5)(-4.1 + (-0.5)(-3.3(2.5) - (2.5)) - (2.5)) + (-0.5)

Work through step by step, and you should come up with 7.4375
Answered by Marina
Thank you Steve very much
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