Tips: • Add or subtract only the like terms. • When adding or subtracting like terms, we simply add

Question

Tips: • Add or subtract only the like terms. • When adding or subtracting like terms, we simply add or subtract the coefficients. $3{{x}^{2}}-2+{{x}^{2}}+x+1$ $7{{x}^{2}}+19+8{{x}^{2}}-2$

Accepted Answer

(a) $4x^2 + x - 1$ (b) $15x^2 + 17$

Addition and Subtraction of Quadratic Expression

Addition and Subtraction of Quadratic Expression

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