factorise:
0.09a²+0.3ab+0.25p²
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Step-by-step explanation:
0.09a^2+0.3ab+0.25b^2
=(0.3a)^2+2×0.3a×0.5b+(0.5b)^2
=(0.3a+0.5b)^2
=(0.3a+0.5b)(0.3a+0.5b)
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