3 years ago

(Simplify the expression and find its value when a = 5 and b = -3) 2(a^2+ab)+3-ab

Mathematics

1 answer:

Oksana_A [137]3 years ago

6 0

Answer:

Step-by-step explanation:

2( $a^{2}$ +ab) + 3 - ab

= $2a^{2}$ + 2ab + 3 - ab

= $2a^{2}$ + ab + 3

= 2x $5^{2}$ + 5x(-3) + 3

= 50 - 15 + 3

= 38

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