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3-75.

Simplify each expression below. Homework Help ✎

1. $4x+7+3y−(1+3y+2x)$

Distribute the subtraction sign.

$4x+7+3y−1−3y−2x$

Rearrange so like terms are together and combine like terms.

$4x−2x+3y−3y+7−1$

$2x+0+6$

$2x+6$

1. $16x^2−4x+5−(16x^2−8x)+1$

Follow the steps in part (a).

$4x+6$

1. $(32x−7y)−(28x−11y)$

Follow the steps in part (a).

Distribute the subtraction sign first. Watch your negative signs.

1. $y+2+2y+2+2y−2x+y$

Follow the steps in part (a).