expand 3 X + 4 y whole square
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Answered by
11
( 3x + 4y )²
( 3x )² + ( 4y )² + 2 ( 3x × 4y )
9x² + 16y² + 24xy
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Answered by
1
Answer:
9 x2 +16y2+24xy
Step-by-step explanation:
remember
(a + b ) 2 = A + B2 + 2a b
( 3X + 4 Y 2 )=3(x)2+4²y) ²+2*3x)x4x
ans 9x²+16y²+24x4
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