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Expand and simplify 2y+3y(5y+3)

BIDMAS

Following BIDMAS, multiply the bracket out before the addition of the 2y.

3y(5y+3) = 15y²+9y

adding the 2y gives the calculation of 15y²+ 9y +2y = 15y² + 11y

ES

Answered by Emma S. • Maths tutor

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