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(1/2x^2. + 2•1/2x•2. + 2^2.) +(1/2x^2. - 2•1/2x•2. + 2^2.)
=(1/4 + 2x + 4) + (1/4 -2x +4)
= 2/4 + 8
= 34/4
= [(1/4x² + x + x + 4) + (1/4x² - x - x + 4)]
= [(1/4x² + 2x + 4) + (1/4x² - 2x + 4)]
= 1/4x² + 2x + 4 + 1/4x² - 2x + 4
= 1/2x² + 8
semoga jelas dan membantu ya