( 7.5 × 7.5 + 3.75 + 2.5 × 2.5 ) is equal to
"solution given expression = ( 7.5 x 7.5 + 2 × 7.5 × 2.5 + 2.5 × 2.5 ) ² = ( a ² + 2 ab + b ² ) = ( a + b ) ² = ( 7.5 + 2.5 ) ² = 10 ² = 100 . answer d"
add(add(multiply(7.5, 7.5), multiply(2.5, 2.5)), 3.75)