pcaian18 pcaian18

07-12-2020
Mathematics

contestada

Help pls
Expand and simplify
(2x2+ 3)(4x + 5) – 8x(x2- 2)

Respuesta :

onlinestudent2020 onlinestudent2020

07-12-2020

Answer:

Check the attached picture

Step-by-step explanation:

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Bromine67 Bromine67

07-12-2020

Step-by-step explanation:

(2x²+3)(4x + 5) - 8x(x²-2)

or, 2x²(4x + 5) + 3(4x +5) - 8x(x²-2)

or, 8x³+10x² + 12x + 15 - 8x³+16x

or, 8x³-8x³+12x+16x + 10x² + 15

or, 0+28x + 10x² + 15

= 28x + 10x² + 15

Hope it helped you :)

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