## Grade 10 Questions Algebra Products and Factorisation

Question 1 Simplify the following:   $(a-2)^{2}-a(a+4)$   $(5a-4b)(25a^{2}+20ab+16b^{2})$   $(2m-3)(4m^{2}+9)(2m+3)$   $(a+2b-c)(a+2b+c)$ Question 2 Factorise   $$12x + 32y$$   $$-12a + 24a^{3}$$   $$6d -9r +2t^{5}d -3t^{5}r$$  … Continue reading Grade 10 Questions Algebra Products and Factorisation

## Grade 11 Questions Exponential Expressions and Equations

Question 1 Solve for the unknown variable:   $3^{x-1}-27=0$   $27(4^{x})=(64)3^{x}$   $\sqrt{2x-5}=2-x$   Question 2 Show that $\sqrt{\dfrac{3^{x+1}-3^{x}}{3^{x-1}}+3}$ is equal to $\text{3}$ Hence solve for x$\sqrt{\dfrac{3^{x+1}-3^{x}}{3^{x-1}}+3}=\left(\dfrac{1}{3}\right)^{x-2}$