(2x + 7) (5x + 9) - (4x2 + 1) (x – 3) simplify this
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Answered by
11
Given : (2x + 7) (5x + 9) - (4x² + 1) (x – 3)
To Find : Simplify
Solution:
(2x + 7) (5x + 9) - (4x² + 1) (x – 3)
Apply distributive property
= 2x(5x + 9) + 7(5x + 9) - 4x²(x - 3) - 1(x - 3)
= 10x² + 18x + 35x + 63 - 4x³ + 12x² - x + 3
= -4x³ + 10x² + 12x² + 53x - x + 63 + 3
= -4x³ + 22x² + 52x + 66
(2x + 7) (5x + 9) - (4x² + 1) (x – 3) = -4x³ + 22x² + 52x + 66
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Answered by
1
Answer
10x^2+18x+35x+63-4x^3-12x^2+X+3
=-4x^3+10x^2+12x^2+53x-x+63+3
= -4x^3+22x^2+52x+66
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