Question

simplify the following and verify the result
(4a2 - 6ab + 9b2) (2a + 3b); a = 2, b = 1​

Answer 1

Answer:

=(4×4-6×2×1+9×1)(2×2+3×1)

=(16-12+9)(4+7)

=13×11

=143

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Answer 2

Step-by-step explanation:

=(4×2×2-6×2×1+9×2×1)(2×2+3×1)

=(15) (7)

=15×7

=105